Utopia Vow 
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block.
Enchanted creature has "
: Add one mana of any color."
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment — Aura
Enchant creature
Enchanted creature can't attack or block.
Enchanted creature has ": Add one mana of any color."