Karn, Legacy Reforged
Legendary Artifact Creature — Golem
Karn's power and toughness are each equal to the greatest mana value among artifacts you control.
At the beginning of your upkeep, add 
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.
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Why is this card good?
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Printings (5)
Combos (8)
- Karn, Legacy Reforged + Voltaic Construct + The Peregrine Dynamo
→ Infinite colorless mana that can't be spent to cast nonartifact spells
- Karn, Legacy Reforged + Lithoform Engine + Clock of Omens + Staff of Domination + Basalt Monolith
→ Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite mana artifacts you control can produce, Infinite untap of artifacts you control
- Karn, Legacy Reforged + Strionic Resonator + Clock of Omens + Staff of Domination + Basalt Monolith
→ Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite mana artifacts you control can produce, Infinite untap of artifacts you control
- Karn, Legacy Reforged + Lithoform Engine + Clock of Omens + Basalt Monolith + Grim Monolith
→ Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite mana artifacts you control can produce, Infinite untap of artifacts you control
- Karn, Legacy Reforged + Karn, Silver Golem + Lithoform Engine + Voltaic Construct
→ Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite untap of artifact creatures you control
- Karn, Legacy Reforged + Lithoform Engine + Clock of Omens + Staff of Domination + Grim Monolith
→ Infinite colorless mana that can't be spent to cast nonartifact spells, Infinite mana artifacts you control can produce, Infinite untap of artifacts you control