FlyingWhenever Hellcarver Demon deals combat damage to a player, sacrifice all other permanents you control and discard your hand. Exile the top six cards of your library. You may cast any number of spells from among cards exiled this way without paying their mana costs.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.
Counter target spell or ability that targets a permanent you control.This spell costs less to cast if it targets a spell or ability that targets a creature you control with power 7 or greater.
Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.
Level up (: Put a level counter on this. Level up only as a sorcery.)LEVEL 4-62/4LEVEL 7+3/5At the beginning of each end step, if it's not your turn, take an extra turn after this one.
Enchant creatureEnchanted creature has ": Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."
As an additional cost to cast this spell, sacrifice a creature.You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.
Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.
You may sacrifice four Eldrazi Spawn rather than pay this spell's mana cost.Annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)
Auras attached to permanents you control have umbra armor. (If an enchanted permanent you control would be destroyed, instead remove all damage from it and destroy an Aura attached to it.)