Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Near Mint - $12.70
Lightly Played - $11.40
Played - $8.90
Heavily Played - $7.60
Damaged - $6.40
Near Mint Non-English - $12.70
Lightly Played Non-English - $11.40
Played Non-English - $8.90
Heavily Played Non-English - $7.60
Damaged Non-English - $6.40
Foil Prices
Near Mint Foil - $62.30
Lightly Played Foil - $56.10
Played Foil - $43.60
Heavily Played Foil - $37.40
Damaged Foil - $31.20
Near Mint Foil Non-English - $62.30
Lightly Played Foil Non-English - $56.10
Played Foil Non-English - $43.60
Heavily Played Foil Non-English - $37.40
Damaged Foil Non-English - $31.20