The Mightstone and Weakstone (BRO) #238 [EN/F]

{5} · Legendary Artifact — Powerstone · When The Mightstone and Weakstone enters, 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 · The Brothers' War #238 · EDHREC rank 3006 · Magic: The Gathering, MTG