Asceticism [Mystery Booster]

Set: Mystery Booster Type: Enchantment Rarity: Rare Cost: {3}{G}{G} Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.){1}{G}: Regenerate target creature. "Let my ignominy build walls thicker than iron and stronger than darksteel." —Thrun, the last troll