Klauth, Unrivaled Ancient [The List] Lhurgoyf choose one of your units

choose one of your units

Set: The List Type: Creature — Lhurgoyf Rarity: Rare Cost: {1}{G} Tarmogoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1

Set: Duskmourn: House of Horror Type: Legendary Creature — Elder Demon Rarity: Mythic Cost: {6}{B}{B}{B} Flying

Then do it again

Klauth, Unrivaled Ancient [The List] Lhurgoyf choose one of your unitsSet: The List 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.