The List

Pegasus Stampede

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 white Pegasus creature token with flying.

Tempest Remastered

Buyback—
Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Put a 1/1 white Pegasus creature token with flying onto the battlefield.

Anthologies

Exodus

Buyback—
Sacrifice a land. (You may sacrifice a land in addition to any other costs when you play this spell. If you do, put Pegasus Stampede into your hand instead of your graveyard as part of the spell's effect.)
Put a Pegasus token into play. Treat this token as a 1/1 white creature with flying.