Gnoll War Band

This spell costs {1} less to cast for each opponent who was dealt damage this turn. Menace Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ojlb0e5u7pb1h2qmsm907.