The Stone Brain
Legendary Artifact
, 
, 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.
Irina Nordsol
The Brothers' War (BRO)
• #247Rulings
You don't have to exile each card you find with that name. If you want to leave one in their graveyard, for example, you may.
(wotc • 2022-10-14)
Unlike most effects of this kind, The Stone Brain's ability allows its controller to choose the name of a basic land. Note that you may only search for up to four copies of that card, even if you find more of them.
(wotc • 2022-10-14)
You don't have to choose the name of a card that you've already seen this game; you may guess at a card you think your opponent might have in their deck, if you'd like.
(wotc • 2022-10-14)
The ability has no effect on permanents with the chosen name that are on the battlefield.
(wotc • 2022-10-14)
You target a player as The Stone Brain's activated ability is put on the stack, but you don't name a card until it resolves. Notably, this means that players don't get to respond to the ability knowing what card you will name.
(wotc • 2022-10-14)
Rulings
You don't have to exile each card you find with that name. If you want to leave one in their graveyard, for example, you may.
(wotc • 2022-10-14)
Unlike most effects of this kind, The Stone Brain's ability allows its controller to choose the name of a basic land. Note that you may only search for up to four copies of that card, even if you find more of them.
(wotc • 2022-10-14)
You don't have to choose the name of a card that you've already seen this game; you may guess at a card you think your opponent might have in their deck, if you'd like.
(wotc • 2022-10-14)
The ability has no effect on permanents with the chosen name that are on the battlefield.
(wotc • 2022-10-14)
You target a player as The Stone Brain's activated ability is put on the stack, but you don't name a card until it resolves. Notably, this means that players don't get to respond to the ability knowing what card you will name.
(wotc • 2022-10-14)