Creature — Bird Horse

Ostrich-Horse

Ostrich-Horse trading card
Creature — Bird Horse1 exact printing

When this creature enters, mill three cards. You may put a land card from among them into your hand. If you don't, put a +1/+1 counter on this creature. (To mill three cards, put the top three cards of your library into your graveyard.)

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oc08f8871pb1hzj4g8hl7.