Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] 1st Edition Holofoil Set: New Phyrexia Type: Legendary

Set: New Phyrexia Type: Legendary Creature — Praetor Rarity: Mythic Cost: {5}{W}{W} Vigilance

Set: Pro Tour Collector Set Type: Land — Rarity: Uncommon {T}: Add {C}

Set: Shadows over Innistrad Promos Type: Instant Rarity: Rare Cost: {2}{W} Exile any number of target creatures you control

Given time

then meld them into Urza

Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] 1st Edition Holofoil Set: New Phyrexia Type: LegendarySet: 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.