diff --git a/client/components/cards/cardDetails.js b/client/components/cards/cardDetails.js
index 17b651734..fa7fe96aa 100644
--- a/client/components/cards/cardDetails.js
+++ b/client/components/cards/cardDetails.js
@@ -977,10 +977,11 @@ BlazeComponent.extendComponent({
   cards() {
     const currentId = Utils.getCurrentCardId();
     if (this.parentBoard.get()) {
-      return Cards.find({
+      const ret = ReactiveCache.getCards({
         boardId: this.parentBoard.get(),
         _id: { $ne: currentId },
       });
+      return ret;
     } else {
       return [];
     }
@@ -1023,7 +1024,7 @@ BlazeComponent.extendComponent({
         'click .js-delete': Popup.afterConfirm('cardDelete', function () {
           Popup.close();
           // verify that there are no linked cards
-          if (Cards.find({ linkedId: this._id }).count() === 0) {
+          if (ReactiveCache.getCards({ linkedId: this._id }).length === 0) {
             Cards.remove(this._id);
           } else {
             // TODO: Maybe later we can list where the linked cards are.
diff --git a/client/components/lists/list.js b/client/components/lists/list.js
index c3cacdb90..902df3427 100644
--- a/client/components/lists/list.js
+++ b/client/components/lists/list.js
@@ -90,7 +90,7 @@ BlazeComponent.extendComponent({
         $cards.sortable('cancel');
 
         if (MultiSelection.isActive()) {
-          Cards.find(MultiSelection.getMongoSelector(), { sort: ['sort'] }).forEach((card, i) => {
+          ReactiveCache.getCards(MultiSelection.getMongoSelector(), { sort: ['sort'] }).forEach((card, i) => {
             const newSwimlaneId = targetSwimlaneId
               ? targetSwimlaneId
               : card.swimlaneId || defaultSwimlaneId;
@@ -174,7 +174,6 @@ BlazeComponent.extendComponent({
       const currentBoardId = Tracker.nonreactive(() => {
         return Session.get('currentBoard');
       });
-      Cards.find({ boardId: currentBoardId }).fetch();
       Tracker.afterFlush(() => {
         $cards.find(itemsSelector).droppable({
           hoverClass: 'draggable-hover-card',
diff --git a/client/components/lists/listBody.jade b/client/components/lists/listBody.jade
index 7102b6756..375d99f1b 100644
--- a/client/components/lists/listBody.jade
+++ b/client/components/lists/listBody.jade
@@ -1,7 +1,7 @@
 template(name="listBody")
   .list-body
     .minicards.clearfix.js-minicards(class="{{#if reachedWipLimit}}js-list-full{{/if}}")
-      if cards.count
+      if cards.length
         +inlinedForm(autoclose=false position="top")
           +addCardForm(listId=_id position="top")
       ul.sidebar-list
diff --git a/client/components/lists/listBody.js b/client/components/lists/listBody.js
index 1578cc7c2..99458977b 100644
--- a/client/components/lists/listBody.js
+++ b/client/components/lists/listBody.js
@@ -113,7 +113,7 @@ BlazeComponent.extendComponent({
       // to appear
       const cardCount = this.data()
         .cards(this.idOrNull(swimlaneId))
-        .count();
+        .length;
       if (this.cardlimit.get() < cardCount) {
         this.cardlimit.set(this.cardlimit.get() + InfiniteScrollIter);
       }
@@ -201,16 +201,17 @@ BlazeComponent.extendComponent({
       archived: false,
     };
     if (swimlaneId) selector.swimlaneId = swimlaneId;
-    return Cards.find(Filter.mongoSelector(selector), {
+    const ret = ReactiveCache.getCards(Filter.mongoSelector(selector), {
       // sort: ['sort'],
       sort: sortBy,
       limit,
     });
+    return ret;
   },
 
   showSpinner(swimlaneId) {
     const list = Template.currentData();
-    return list.cards(swimlaneId).count() > this.cardlimit.get();
+    return list.cards(swimlaneId).length > this.cardlimit.get();
   },
 
   canSeeAddCard() {
@@ -225,7 +226,7 @@ BlazeComponent.extendComponent({
     return (
       !list.getWipLimit('soft') &&
       list.getWipLimit('enabled') &&
-      list.getWipLimit('value') <= list.cards().count()
+      list.getWipLimit('value') <= list.cards().length
     );
   },
 
@@ -494,7 +495,7 @@ BlazeComponent.extendComponent({
       return [];
     }
     const ownCardsIds = this.board.cards().map(card => card.getRealId());
-    return Cards.find(
+    const ret = ReactiveCache.getCards(
     {
       boardId: this.selectedBoardId.get(),
       swimlaneId: this.selectedSwimlaneId.get(),
@@ -507,6 +508,7 @@ BlazeComponent.extendComponent({
     {
       sort: { sort: 1 },
     });
+    return ret;
   },
 
   getSortIndex() {
diff --git a/client/components/lists/listHeader.jade b/client/components/lists/listHeader.jade
index 847ea3ab2..90f3ea750 100644
--- a/client/components/lists/listHeader.jade
+++ b/client/components/lists/listHeader.jade
@@ -15,11 +15,11 @@ template(name="listHeader")
           = title
         if wipLimit.enabled
          |&nbsp;(
-         span(class="{{#if exceededWipLimit}}highlight{{/if}}") {{cards.count}}
+         span(class="{{#if exceededWipLimit}}highlight{{/if}}") {{cards.length}}
          |/#{wipLimit.value})
 
-      if showCardsCountForList cards.count
-        span.cardCount {{cardsCount}} {{cardsCountForListIsOne cards.count}}
+      if showCardsCountForList cards.length
+        span.cardCount {{cardsCount}} {{cardsCountForListIsOne cards.length}}
 
       if isMiniScreen
         if currentList
@@ -79,7 +79,7 @@ template(name="listActionPopup")
             i.fa.fa-paint-brush
             | {{_ 'set-color-list'}}
     ul.pop-over-list
-      if cards.count
+      if cards.length
         li
           a.js-select-cards
             i.fa.fa-check-square
diff --git a/client/components/lists/listHeader.js b/client/components/lists/listHeader.js
index 0c1b2cdef..798d336ce 100644
--- a/client/components/lists/listHeader.js
+++ b/client/components/lists/listHeader.js
@@ -64,14 +64,15 @@ BlazeComponent.extendComponent({
         .parentComponent()
         .data()._id;
 
-    return list.cards(swimlaneId).count();
+    const ret = list.cards(swimlaneId).length;
+    return ret;
   },
 
   reachedWipLimit() {
     const list = Template.currentData();
     return (
       list.getWipLimit('enabled') &&
-      list.getWipLimit('value') <= list.cards().count()
+      list.getWipLimit('value') <= list.cards().length
     );
   },
 
@@ -79,7 +80,7 @@ BlazeComponent.extendComponent({
     const list = Template.currentData();
     return (
       list.getWipLimit('enabled') &&
-      list.getWipLimit('value') < list.cards().count()
+      list.getWipLimit('value') < list.cards().length
     );
   },
 
@@ -184,7 +185,7 @@ BlazeComponent.extendComponent({
       10,
     );
 
-    if (limit < list.cards().count() && !list.getWipLimit('soft')) {
+    if (limit < list.cards().length && !list.getWipLimit('soft')) {
       Template.instance()
         .$('.wip-limit-error')
         .click();
@@ -199,9 +200,9 @@ BlazeComponent.extendComponent({
 
     if (
       list.getWipLimit('soft') &&
-      list.getWipLimit('value') < list.cards().count()
+      list.getWipLimit('value') < list.cards().length
     ) {
-      list.setWipLimit(list.cards().count());
+      list.setWipLimit(list.cards().length);
     }
     Meteor.call('enableSoftLimit', Template.currentData()._id);
   },
@@ -211,9 +212,9 @@ BlazeComponent.extendComponent({
     // Prevent user from using previously stored wipLimit.value if it is less than the current number of cards in the list
     if (
       !list.getWipLimit('enabled') &&
-      list.getWipLimit('value') < list.cards().count()
+      list.getWipLimit('value') < list.cards().length
     ) {
-      list.setWipLimit(list.cards().count());
+      list.setWipLimit(list.cards().length);
     }
     Meteor.call('enableWipLimit', list._id);
   },
@@ -250,12 +251,12 @@ Template.listMorePopup.events({
     const allCardIds = _.pluck(allCards, '_id');
     // it's okay if the linked cards are on the same list
     if (
-      Cards.find({
+      ReactiveCache.getCards({
         $and: [
           { listId: { $ne: this._id } },
           { linkedId: { $in: allCardIds } },
         ],
-      }).count() === 0
+      }).length === 0
     ) {
       allCardIds.map(_id => Cards.remove(_id));
       Lists.remove(this._id);
diff --git a/client/components/sidebar/sidebar.js b/client/components/sidebar/sidebar.js
index 6747feabb..b8f35557f 100644
--- a/client/components/sidebar/sidebar.js
+++ b/client/components/sidebar/sidebar.js
@@ -279,10 +279,10 @@ Template.memberPopup.events({
     // This works from removing member from board, card members and assignees.
     const boardId = Session.get('currentBoard');
     const memberId = this.userId;
-    Cards.find({ boardId, members: memberId }).forEach(card => {
+    ReactiveCache.getCards({ boardId, members: memberId }).forEach(card => {
       card.unassignMember(memberId);
     });
-    Cards.find({ boardId, assignees: memberId }).forEach(card => {
+    ReactiveCache.getCards({ boardId, assignees: memberId }).forEach(card => {
       card.unassignAssignee(memberId);
     });
     ReactiveCache.getBoard(boardId).removeMember(memberId);
diff --git a/client/components/sidebar/sidebarArchives.js b/client/components/sidebar/sidebarArchives.js
index 988400af3..05331c252 100644
--- a/client/components/sidebar/sidebarArchives.js
+++ b/client/components/sidebar/sidebarArchives.js
@@ -34,7 +34,7 @@ BlazeComponent.extendComponent({
   },
 
   archivedCards() {
-    return Cards.find(
+    const ret = ReactiveCache.getCards(
       {
         archived: true,
         boardId: Session.get('currentBoard'),
@@ -43,6 +43,7 @@ BlazeComponent.extendComponent({
         sort: { archivedAt: -1, modifiedAt: -1 },
       },
     );
+    return ret;
   },
 
   archivedLists() {
diff --git a/client/components/sidebar/sidebarFilters.js b/client/components/sidebar/sidebarFilters.js
index 667373c42..64c6f3d8c 100644
--- a/client/components/sidebar/sidebarFilters.js
+++ b/client/components/sidebar/sidebarFilters.js
@@ -95,7 +95,7 @@ BlazeComponent.extendComponent({
         },
         'click .js-filter-to-selection'(evt) {
           evt.preventDefault();
-          const selectedCards = Cards.find(Filter.mongoSelector()).map(c => {
+          const selectedCards = ReactiveCache.getCards(Filter.mongoSelector()).map(c => {
             return c._id;
           });
           MultiSelection.add(selectedCards);
@@ -106,14 +106,14 @@ BlazeComponent.extendComponent({
 }).register('filterSidebar');
 
 function mutateSelectedCards(mutationName, ...args) {
-  Cards.find(MultiSelection.getMongoSelector(), {sort: ['sort']}).forEach(card => {
+  ReactiveCache.getCards(MultiSelection.getMongoSelector(), {sort: ['sort']}).forEach(card => {
     card[mutationName](...args);
   });
 }
 
 BlazeComponent.extendComponent({
   mapSelection(kind, _id) {
-    return Cards.find(MultiSelection.getMongoSelector(), {sort: ['sort']}).map(card => {
+    return ReactiveCache.getCards(MultiSelection.getMongoSelector(), {sort: ['sort']}).map(card => {
       const methodName = kind === 'label' ? 'hasLabel' : 'isAssigned';
       return card[methodName](_id);
     });
diff --git a/client/components/swimlanes/swimlanes.js b/client/components/swimlanes/swimlanes.js
index 49dd89590..cafb68649 100644
--- a/client/components/swimlanes/swimlanes.js
+++ b/client/components/swimlanes/swimlanes.js
@@ -170,7 +170,7 @@ BlazeComponent.extendComponent({
         .parentComponent()
         .data()._id;
       const cards = list.cards(swimlaneId);
-      if (cards.count() === 0) {
+      if (cards.length === 0) {
         return false;
       }
     }
@@ -306,7 +306,7 @@ BlazeComponent.extendComponent({
         .parentComponent()
         .data()._id;
       const cards = list.cards(swimlaneId);
-      if (cards.count() === 0) {
+      if (cards.length === 0) {
         return false;
       }
     }
diff --git a/client/lib/multiSelection.js b/client/lib/multiSelection.js
index 60c3b8305..9d5a51151 100644
--- a/client/lib/multiSelection.js
+++ b/client/lib/multiSelection.js
@@ -50,7 +50,7 @@ function getCardsBetween(idA, idB) {
     };
   }
 
-  return Cards.find(Filter.mongoSelector(selector)).map(pluckId);
+  return ReactiveCache.getCards(Filter.mongoSelector(selector)).map(pluckId);
 }
 
 MultiSelection = {
@@ -79,7 +79,7 @@ MultiSelection = {
   },
 
   count() {
-    return Cards.find(this.getMongoSelector()).count();
+    return ReactiveCache.getCards(this.getMongoSelector()).length;
   },
 
   isEmpty() {