Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get {E}{E} (two energy counters). Pay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery. Rex has all activated abilities of all cards in exile with brain counters on them.
![Rex, Cyber-Hound (Extended Art) (Surge Foil) [Fallout]](http://paradoxtcg.com/cdn/shop/files/fb4ad8ec-48bf-5954-aa90-ff7d81057f30_87c92df6-7cc9-4e44-9301-432c597fa097.png?v=1723849978&width=1445)
