Underground River [Seventh Edition] Scars of Mirrodin {1}: Target noncreature artifact becomes

{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn

Set: Morningtide Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a creature enters the battlefield under your control

put one of those cards on top of your library and the rest on the bottom of your library in any order

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

the Mirari pulsed like a dead sun—and its darkness radiated across Otaria

Underground River [Seventh Edition] Scars of Mirrodin {1}: Target noncreature artifact becomesSet: Seventh Edition Type: Land Rarity: Rare {T}: Add {C}. {T}: Add {U} or {B}. Underground River deals 1 damage to you.