Echoing Decay 
Instant
Target creature and all other creatures with the same name as that creature get -2/-2 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target creature and all other creatures with the same name as that creature get -2/-2 until end of turn.