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.)
NM-Mint - $3.80
Lightly Played - $3.40
Moderately Played - $3.00
Heavily Played - $2.60
Damaged - $1.90
NM-Mint Non English - $3.80
Lightly Played Non English - $3.40
Moderately Played Non English - $3.00
Heavily Played Non English - $2.60
Damaged Non English - $1.90
Foil Prices
NM-Mint Foil - $3.80
Lightly Played Foil - $3.40
Moderately Played Foil - $3.10
Heavily Played Foil - $2.70
Damaged Foil - $1.90
NM-Mint Foil Non English - $3.80
Lightly Played Foil Non English - $3.40
Moderately Played Foil Non English - $3.10
Heavily Played Foil Non English - $2.70
Damaged Foil Non English - $1.90