Stamp of Approval 
Artifact
As this artifact enters, choose a watermark. Creatures you control with the chosen watermark get +1/+1.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL
Artifact
As this artifact enters, choose a watermark. Creatures you control with the chosen watermark get +1/+1.