Form of the Dragon 
Enchantment
At the beginning of your upkeep, this enchantment deals 5 damage to any target. At the beginning of each end step, your life total becomes 5. Creatures without flying can't attack you.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL