Karn, Legacy Reforged [March of the Machine: The Aftermath] GG43 During your End Phase: You

During your End Phase: You can target 1 monster in your opponent's GY

Just grab two packs and shuffle them together for wild combos and a unique gameplay experience that's great for a quick game

Must first be Special Summoned (from your hand) while the total ATK of all monsters your opponent controls is more than that of all monsters you control

that is "Dark Magician" or specifically lists "Dark Magician" or "Dark Magician Girl" in its text

Karn, Legacy Reforged [March of the Machine: The Aftermath] GG43 During your End Phase: YouSet: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.