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.
Near Mint - $400
Lightly Played - $300
Moderately Played - $300
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $400
Lightly Played Spanish - $300
Moderately Played Spanish - $300
Heavily Played Spanish - $200
Damaged Spanish - $200
Foil Prices
Near Mint Foil - $1.200
Lightly Played Foil - $1.000
Moderately Played Foil - $800
Heavily Played Foil - $700
Damaged Foil - $600
Near Mint Foil Spanish - $1.200
Lightly Played Foil Spanish - $1.000
Moderately Played Foil Spanish - $800
Heavily Played Foil Spanish - $700
Damaged Foil Spanish - $600