Jeskai Monument

When this artifact enters, search your library for a basic Island, Mountain, or Plains card, reveal it, put it into your hand, then shuffle. {1}{U}{R}{W}, {T}, Sacrifice this artifact: Create two 1/1 white Bird creature tokens with flying. Activate only as a sorcery.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6omrl6gm8ppb1hph4uw44s.