Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Equipment If they were poisonous

If they were poisonous

CARDNAME has all abilities of the last chosen plane

choose one that hasn't been chosen:

destroy target artifact or enchantment defending player controls

Set: Multiverse Legends Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {6}{G}{G} Trample

Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Equipment If they were poisonousSet: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} 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.