FlyingExploit (When this creature enters, you may sacrifice a creature.)When Vulturous Aven exploits a creature, you draw two cards and you lose 2 life.
Target creature gets +3/+0 and gains lifelink until end of turn. Regenerate it. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
Target creature gets +3/+0 and gains lifelink until end of turn. Regenerate it. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
Choose two —• Counter target noncreature spell.• Return target permanent to its owner's hand.• Target creature gets -3/-3 until end of turn.• Destroy target planeswalker.
Flash (You may cast this spell any time you could cast an instant.)Enchant red or green creatureWhen Encase in Ice enters, tap enchanted creature.Enchanted creature doesn't untap during its controller's untap step.
Flash (You may cast this spell any time you could cast an instant.)Enchant red or green creatureWhen Encase in Ice enters, tap enchanted creature.Enchanted creature doesn't untap during its controller's untap step.
Creatures with power less than Den Protector's power can't block it.Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)When Den Protector is turned face up, return target card from your graveyard to your hand.
