Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] SM11 Set: March of the Machine:

Set: March of the Machine: The Aftermath Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost up to {2} less to activate

sacrifice City of Traitors

Set: Ikoria: Lair of Behemoths Type: Creature — Human Wizard Rarity: Rare Cost: {1}{W} Your opponents can't cast spells from anywhere other than their hands

an indomitable heavy transport loaded with powerful guns

Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] SM11 Set: March of the Machine: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.