Your search for "Organic Extinction 76" revealed the following:
Organic Extinction (NEC) from Neon Dynasty Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Cristi Balanescu Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you’re done activating mana abilities pays for...
Organic Extinction (EOC) from Edge of Eternities Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Cristi Balanescu Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you’re done activating mana abilities pays...
Organic Extinction (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Cristi Balanescu Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you’re done activating mana abilities...
Organic Extinction - Extended Art (NEC) from Neon Dynasty Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Cristi Balanescu Card Text:ImproviseDestroy all nonartifact creatures.