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 - $4.40
Lightly Played - $4.00
Played - $3.10
Heavily Played - $2.70
Damaged - $2.20
Near Mint Non-English - $4.40
Lightly Played Non-English - $4.00
Played Non-English - $3.10
Heavily Played Non-English - $2.70
Damaged Non-English - $2.20
Foil Prices
Near Mint Foil - $6.10
Lightly Played Foil - $5.50
Played Foil - $4.30
Heavily Played Foil - $3.70
Damaged Foil - $3.10
Near Mint Foil Non-English - $6.10
Lightly Played Foil Non-English - $5.50
Played Foil Non-English - $4.30
Heavily Played Foil Non-English - $3.70
Damaged Foil Non-English - $3.10