Piper of the Swarm 
Creature — Human Warlock
Rats you control have menace.
, 
: Create a 1/1 black Rat creature token.
, , Sacrifice three Rats: Gain control of target creature.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL