Droning Bureaucrats 
Creature — Human Advisor
, 
: Each creature with mana value X can't attack or block this turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Human Advisor
, : Each creature with mana value X can't attack or block this turn.