Revelsong Horn 
Artifact
, 
, Tap an untapped creature you control: Target creature gets +1/+1 until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact
, , Tap an untapped creature you control: Target creature gets +1/+1 until end of turn.