Boreal Outrider
Boreal Outrider
Whenever you cast a creature spell, if {S} of any of that spell's colors was spent to cast it, that creature enters with an additional +1/+1 counter on it. ({S} is mana from a snow source.)
+1/+1 Counters Aggro Combat Matters Counters Matter Elf Kindred Voltron Warrior Kindred