Sphere of Duty 
Enchantment
If a green source would deal damage to you, prevent 2 of that damage.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
If a green source would deal damage to you, prevent 2 of that damage.