Ovinomancer

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

The List

Dominaria Remastered

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

Time Spiral Timeshifted

When Ovinomancer comes into play, sacrifice it unless you return three basic lands you control to their owner's hand.
{T}, 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 into play.

Visions

When Ovinomancer comes into play, return three basic lands you control to owner's hand or bury Ovinomancer.
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T, Return Ovinomancer to owner's hand: Bury target creature and put a Sheep token into play under the control of the creature's controller. Treat this token as a 0/1 green creature.

Multiverse Gift Box

Ovinomancer is a legal target for its own ability. Activating that ability will cause Ovinomancer to return to its owner’s hand, so the ability will have an illegal target. It won’t resolve, and no one will create a Sheep token.