The Master of Keys
The Master of Keys
Flying
When The Master of Keys enters, put X +1/+1 counters on it and mill twice X cards.
Each enchantment card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)
+1/+1 Counters Aggro Big Mana Blink Combat Matters Counters Matter Enchantments Matter Enter the Battlefield Flying Historics Matter Horror Kindred Leave the Battlefield Legends Matter Mill Reanimate Voltron X Spells