Klauth, Unrivaled Ancient (Extended Art) [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] ARC123-R if this card battles an

if this card battles an opponent's monster (Quick Effect): You can make this card gain DEF equal to that opponent's monster's ATK during that damage calculation only

or enchanted by anything blue

Set: Sun & Moon: Ultra Prism Type: Water Rarity: Promo Retreat cost: Colorless

Put one pile into your hand and the other into your graveyard

Klauth, Unrivaled Ancient (Extended Art) [Dungeons & Dragons: Adventures in the Forgotten Realms Commander] ARC123-R if this card battles anSet: Dungeons & Dragons: Adventures in the Forgotten Realms Commander Type: Legendary Creature Dragon Rarity: Mythic Cost: {5}{R}{G} Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.