Commander Masters

Shirei, Shizo's Caretaker

Whenever a creature with power 1 or less is put into your graveyard from the battlefield, you may return that card to the battlefield at the beginning of the next end step if Shirei, Shizo's Caretaker is still on the battlefield.

Ultimate Masters

Betrayers of Kamigawa

Whenever a creature with power 1 or less is put into your graveyard from play, you may return that creature card to play under your control at end of turn if Shirei, Shizo's Caretaker is still in play.