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 Foil - $29.40
Lightly Played Foil - $28.00
Moderately Played Foil - $26.50
Heavily Played Foil - $23.60
Damaged Foil - $19.20
NM-Mint Foil Non English - $29.40
Lightly Played Foil Non English - $28.00
Moderately Played Foil Non English - $26.50
Heavily Played Foil Non English - $23.60
Damaged Foil Non English - $19.20