Zelyon Sword 
Artifact
You may choose not to untap this artifact during your untap step.
, 
: Target creature gets +2/+0 for as long as this artifact remains tapped.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL