Flash (You may cast this spell any time you could cast an instant.)FlyingWhen Hollowhenge Spirit enters, remove target attacking or blocking creature from combat.
Flash (You may cast this spell any time you could cast an instant.)FlyingWhen Hollowhenge Spirit enters, remove target attacking or blocking creature from combat.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Discard all the cards in your hand, then draw that many cards.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Target creature gains deathtouch until end of turn and must be blocked this turn if able.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Return target instant or sorcery card from your graveyard to your hand.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
FlyingWhenever Fiend of the Shadows deals combat damage to a player, that player exiles a card from their hand. You may play that card for as long as it remains exiled.Sacrifice a Human: Regenerate Fiend of the Shadows.