Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's mana value to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand.
![Cerebral Eruption [Scars of Mirrodin]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/60d2fa7f-407c-59af-ba52-d012ae1d55de_6c99e8c5-9ac6-40fc-a3e4-d29c6a180727.jpg?v=1698572378&width=1445)