Primx, Keeper of Souls

+3: Target creature gets +4/+4, Lifelink and flying until end of turn. On your next Upkeep, Exile it.
-4: Sacrifice 4 target creatures, you gain X health where X is the converted mana cost of those creatures.
-11: Exile three creatures from graveyard, combine their total toughness and deal that amount of damage to target opponent.