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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
Gigantomancer 7GCreature — Human Shaman {1}: Target creature you control has base power and toughness 7/7 until end of turn. 1/1
Molimo, Maro-Sorcerer 4GGGLegendary Creature — Elemental Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Molimo, Maro-Sorcerer's power and toughness are each equal to the number of lands you control. */*
Nassari, Dean of Expression 3RRLegendary Creature — Efreet Shaman At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. Whenever you cast a spell from exile, put a +1/+1 counter on Nassari, Dean of Expression. 4/4
Cabal Conditioning 6BSorcery Any number of target players each discard a number of cards equal to the highest mana value among permanents you control.
Woodcaller Automaton 10Artifact Creature — Construct Prototype {2}{G}{G} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) When Woodcaller Automaton enters the battlefield, if you cast it, untap target land you control. It becomes a Treefolk creature with haste and base power and toughness equal to Woodcaller Automaton's power and toughness. It's still a land. 8/8
Shatterstorm 2RRSorcery Destroy all artifacts. They can't be regenerated.
Mercurial Transformation 1USorcery — Lesson Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.
Imposing Grandeur 4RSorcery Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.
Angrath, the Flame-Chained 3BRLegendary Planeswalker — Angrath [+1]: Each opponent discards a card and loses 2 life. [−3]: Gain control of target creature until end of turn. Untap it. It gains haste until end of turn. Sacrifice it at the beginning of the next end step if it has mana value 3 or less. [−8]: Each opponent loses life equal to the number of cards in their graveyard. Loyalty 4
Aeromoeba 3UCreature — Elemental Beast Flying Discard a card: Switch Aeromoeba's power and toughness until end of turn. 2/4
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