Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Gladiator Consider these cards your intro

Consider these cards your intro lesson on the inner workings of some ravenous beasties

Legendary creatures you control get +1/+0

but a plane all its own

Reverse Type: Creature — Vampire Horror // Creature

that's Lorwyn (Marsh Flats)

Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Gladiator Consider these cards your introSet: 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.