The Mightstone and Weakstone [The Brothers' War: Prerelease Promos] Dragons of Tarkir Promos Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare {T}: Add {U}

Set: Collectors’ Edition Type: Creature — Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying

Set: The List Type: Enchantment Rarity: Mythic Cost: {W} At the beginning of your upkeep

"Survival rule 782: There are *always* more scute bugs

Cho-Arrim healer

The Mightstone and Weakstone [The Brothers' War: Prerelease Promos] Dragons of Tarkir Promos Set: Champions of Kamigawa Type:Set: The Brothers' War: Prerelease Promos Type: Legendary Artifact Powerstone Rarity: Rare Cost: {5} When The Mightstone and Weakstone enters the battlefield, choose one Draw two cards. Target creature gets 5 5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)