Orbs of Warding 
Artifact
You have hexproof. (You can't be the target of spells or abilities your opponents control.) If a creature would deal damage to you, prevent 1 of that damage.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL