Zara, Renegade Recruiter (The Lost Caverns of Ixalan Commander)

Legendary Creature Ñ Human Pirate - Flying
Whenever Zara attacks, look at defending player's hand. You may put a creature card from it onto the battlefield under your control tapped and attacking that player or a planeswalker they control. Return that creature to its owner's hand at the beginning of the next end step.