The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Phyrexian Horse with the same mocking look

with the same mocking look on their faceless skulls

choose one that hasn't been chosen:

and freak occurrences of sentience

look at the top card of your library

draw a card for each creature you control

The Mightstone and Weakstone [The Brothers' War Prerelease Promos] Phyrexian Horse with the same mocking lookSet: 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.)