Karn, Legacy Reforged (Future Sight) [Mystery Booster 2] Dragon Wizard and pound the steel

and pound the steel

Set: Chronicles Type: Artifact Rarity: Common Cost: {3} Sacrifice a creature: Add {C}{C}

Set: The Brothers' War Type: Sorcery Rarity: Rare Cost: {1}{B} As an additional cost to cast this spell

Set: World Championship Decks 2000 Type: Instant Rarity: Common Cost: {1}{U} You may return an Island you control to its owner's hand rather than pay this spell's mana cost

Return target nonland permanent you don't control to its owner's hand

Karn, Legacy Reforged (Future Sight) [Mystery Booster 2] Dragon Wizard and pound the steelSet: Mystery Booster 2 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.