Playtest Wish

You may play a playtest card you own from outside the game this turn, and mana of any type can be spent to cast it. (In an game of Unknown event commander sealed, these are all the playtest cards you opened but aren't using in your deck.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6okb6tepqdpb1hagdepnu4.