Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] Serra's Realm it's a matter of gibbon

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Set: Core Set 2019 Prerelease Promos Type: Sorcery Rarity: Mythic Cost: {7}{R}{R}{R} Exile the top seven cards of your library

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rarity: Rare Cost: {3}{R}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship

(Each {U} in the mana costs of permanents you control counts toward your devotion to blue

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Karn, Legacy Reforged (Foil Etched) [March of the Machine: The Aftermath] Serra's Realm it's a matter of gibbonSet: 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.