The Stone Brain [The Brothers' War Prerelease Promos] San Diego Comic-Con 2017 There's plenty of ore left

There's plenty of ore left in the mountain

or unattach from a creature

and my failures

Cao Cao defeated Yuan Shao by raiding his grain depot

if you can fight through the villains various forms and thwart them with a combination of teamwork

The Stone Brain [The Brothers' War Prerelease Promos] San Diego Comic-Con 2017 There's plenty of ore leftSet: The Brothers' War Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {2} {2}, {T}, Exile The Stone Brain: Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way. Activate only as a sorcery.