Son Gohan, Momentary Awakening [BT7-055_PR] Slug Horror puts it on the bottom

puts it on the bottom of their library

Set: Limited Edition Beta Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another

That land is a Swamp for as long as it has a mire counter on it

Set: Ultimate Box Topper Type: Legendary Land Mythic Cost: {T}: Add {W}

that land doesn't untap during its controller's next untap step

Son Gohan, Momentary Awakening [BT7-055_PR] Slug Horror puts it on the bottomSet: Assault of the Saiyans Prerelease Promos Era: Saiyan Saga Rarity: Promo Game character: Son Gohan: Youth Color: Green Card type: Battle Power: 5000 Combo power: 5000