Rex, Cyber-Hound - Fallout #117

Rex, Cyber-Hound

Set: Fallout (PIP)
Collector Number: 117
Type: Legendary Artifact Creature — Robot Dog
Rarity: Rare
Mana Value: 3.0

Whenever Rex 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.