Underground River [Seventh Edition] Scars of Mirrodin Set: Prophecy Type: Creature —

Set: Prophecy Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

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

Set: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {B}{B}{B} Search your library and graveyard for five cards and exile the rest

Underground River [Seventh Edition] Scars of Mirrodin Set: Prophecy Type: Creature —Set: Seventh Edition Type: Land Rarity: Rare {T}: Add {C}. {T}: Add {U} or {B}. Underground River deals 1 damage to you.