Will of the Jeskai

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Each player may discard their hand and draw five cards. • Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o911j5ueppb1hwf6dl8bh.