The Stone Brain (Extended Art) [The Brothers' War] DP47 Before the molten ire of

Before the molten ire of an Eradicator Squad

while vile smog spills from vents in their armour to choke and blind their foes

From the publisher's press release:

Set: Secret Lair Drop Series Type: Legendary Creature — Faerie Wizard Rarity: Mythic Cost: {1}{U}{U} Flash

The Stone Brain (Extended Art) [The Brothers' War] DP47 Before the molten ire ofSet: The Brothers' War 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.