Deceiver Exarch 
Creature — Phyrexian Cleric
Flash (You may cast this spell any time you could cast an instant.) When this creature enters, choose one — • Untap target permanent you control. • Tap target permanent an opponent controls.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL