Rabid Rats 
Creature — Rat
: Target blocking creature gets -1/-1 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Rat
: Target blocking creature gets -1/-1 until end of turn.