The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Phyrexian Horror this monster cannot attack

this monster cannot attack

Set: Sword & Shield: Evolving Skies Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

Set: Sun & Moon: Forbidden Light Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Set: XY: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

Then draw 2 cards

The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Phyrexian Horror this monster cannot attackSet: 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.)