Reverse Damage [Unlimited Edition] XY67a they must discard all copies

they must discard all copies of it in their hand

"Everything in Nature contains all the powers of Nature

Set: Judge Gift Cards 2004 Type: Creature — Human Druid Rarity: Rare Cost: {1}{G} {G}

(You do not use "Polymerization")

Set: Amonkhet Prerelease Promos Type: Creature — Naga Cleric Rarity: Mythic Cost: {3}{G} You may look at the top card of your library any time

Reverse Damage [Unlimited Edition] XY67a they must discard all copiesSet: Unlimited Edition Type: Instant Rarity: Rare Cost: {1}{W}{W} The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.