Chancellor of the Spires
Creature - Phyrexian Sphinx | Power/Toughness: 5 / 7 (CMC 7)
You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent mills seven cards.
When Chancellor of the Spires enters the battlefield, you may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.