Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .) Destroy all nonartifact creatures.
Organic Extinction (MKC-076) - Murders at Karlov Manor Commander
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .) Destroy all nonartifact creatures.
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