The Mightstone and Weakstone{5}

Legendary Artifact � Powerstone

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.)

Illustrated by Ryan Pancoast