name: Rex, Cyber-Hound
originalText: Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get {EE} (two energy counters).\nPay {EE}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.\nRex has all activated abilities of all cards in exile with brain counters on them.
printings: PIP
text: Whenever Rex deals combat damage to a player, they mill two cards and you get {E}{E} (two energy counters).\nPay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.\nRex has all activated abilities of all cards in exile with brain counters on them.
type: Legendary Artifact Creature — Robot Dog