The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Black Star Promo draw a card for each

draw a card for each creature you control

Set: EX: Delta Species Type: Fire Rarity: Rare Retreat cost: Colorless

Whenever an opponent sacrifices a nontoken permanent

Set: Secret Lair Drop Promos Type: Enchantment Rarity: Rare Cost: {1}{R} Cumulative upkeep—Add {R}

Set: Black & White: Base Set Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Black Star Promo draw a card for eachSet: 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.)