Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Equipment Xantcha attacks each combat if

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls

Set: Unknown Event Type: Creature — Shapeshifter Rarity: Common During deckbuilding

choose one that hasn't been chosen:

exile up to one other target creature you control

you may pay {2}

Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Equipment Xantcha attacks each combat ifSet: 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.