Chancellor of the Spires

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards. Flying When this creature enters, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ojzzueh6jpb1hmoof6q0p.