When Ovinomancer enters the battlefield, sacrifice it unless you return three basic lands you control to their owner's hand. , Return Ovinomancer to its owner's hand: Destroy target creature. It can't be regenerated. That creature's controller puts a 0/1 green Sheep creature token onto the battlefield.
Locations
, Return Ovinomancer to its owner's hand: Destroy target creature. It can't be regenerated. That creature's controller puts a 0/1 green Sheep creature token onto the battlefield.
