Karn, Silver Golem (Oversized) [Commander's Arsenal Oversized] Condition:Heavily Played Foil Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Creature — Human Soldier Rarity: Uncommon Cost: {3}{R}{R} When Ravaging Horde enters the battlefield

but how could that be

that card returns to the battlefield

Set: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep

Set: Ultimate Masters Box Topper Type: Legendary Land Rarity: Mythic Each land is a Swamp in addition to its other land types

Karn, Silver Golem (Oversized) [Commander's Arsenal Oversized] Condition:Heavily Played Foil Set: Portal Three Kingdoms Type:Set: Commander's Arsenal Oversized Type: Legendary Artifact Creature Golem Rarity: Rare Cost: {5} Whenever Karn, Silver Golem blocks or becomes blocked, it gets 4 +4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.