Neriv, Crackling Vanguard

Flying, deathtouch When Neriv enters, create two 1/1 red Goblin creature tokens. Whenever Neriv attacks, exile a number of cards from the top of your library equal to the number of differently named tokens you control. During any turn you attacked with a commander, you may play those cards.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oji1me37ppb1hyfhsq058.