Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath] Angel Demon {T}: Add {B} or {R}

{T}: Add {B} or {R}

and his prized prisoners: Strong and Rex

Whenever you cast a green spell

create 15 1/1 green Eldrazi Squirrel Scion creature tokens with "Sacrifice this creature: Add G or B"

Search your library for a Battle card

Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath] Angel Demon {T}: Add {B} or {R}Set: 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.