FlashWhen Snapcaster Mage enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
DeathtouchMystic Arcanum — At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card.Pact Boon — Whenever you play a card from exile, create a Treasure token.
IndestructibleAs long as your devotion to red and white is less than seven, Iroas isn't a creature.Creatures you control have menace.Prevent all damage that would be dealt to attacking creatures you control.
Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.