Soaring Thought-Thief 
Creature — Human Rogue
Flash Flying As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0. Whenever one or more Rogues you control attack, each opponent mills two cards.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL