Whenever you gain life, target opponent loses that much life. When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)
Near Mint - $48.70
Lightly Played - $43.80
Played - $34.10
Heavily Played - $29.20
Damaged - $24.40
Near Mint Non-English - $48.70
Lightly Played Non-English - $43.80
Played Non-English - $34.10
Heavily Played Non-English - $29.20
Damaged Non-English - $24.40
Foil Prices
Near Mint Foil - $47.00
Lightly Played Foil - $42.30
Played Foil - $32.90
Heavily Played Foil - $28.20
Damaged Foil - $23.50
Near Mint Foil Non-English - $47.00
Lightly Played Foil Non-English - $42.30
Played Foil Non-English - $32.90
Heavily Played Foil Non-English - $28.20
Damaged Foil Non-English - $23.50