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17 May 2024: Card library updated.

Karn, Legacy Reforged

5 · Legendary Artifact Creature — Golem

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. */*

Similar cards

Color identity:
NameManaTypeText
Umbra Stalker 4BBBCreature — Elemental Chroma — Umbra Stalker's power and toughness are each equal to the number of black mana symbols in the mana costs of cards in your graveyard. */*
Starfield of Nyx 4WEnchantment At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.
Punishment XBGSorcery Destroy each artifact, creature, and enchantment with mana value X.
Bosh, Iron Golem 8Legendary Artifact Creature — Golem Trample {3}{R}, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's mana value to any target. 6/7
Mimic 2Artifact — Treasure {T}, Sacrifice Mimic: Add one mana of any color. {2}: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.
Klauth, Unrivaled Ancient 5RGLegendary Creature — Dragon 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. 4/4
Junkyard Scrapper 2RCreature — Goblin Artificer Whenever a nontoken artifact enters the battlefield under your control, exile a random nonland artifact card with lesser mana value from your library. You may cast that card until the end of your next turn. 3/3
Dire Mimic 2Artifact — Treasure Flash {T}, Sacrifice Dire Mimic: Add one mana of any color. {3}: Dire Mimic becomes a Shapeshifter artifact creature with base power and toughness 5/5 until end of turn.
Raze to the Ground 2RSorcery This spell can't be countered. Destroy target artifact. If its mana value was 1 or less, draw a card.
Energy Tap USorcery Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.
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