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 Foil - £23.50
Lightly Played Foil - £20.00
Moderately Played Foil - £16.50
Heavily Played Foil - £11.80
Damaged Foil - £7.10
Near Mint Foil Non English - £23.50
Lightly Played Foil Non English - £20.00
Moderately Played Foil Non English - £16.50
Heavily Played Foil Non English - £11.80
Damaged Foil Non English - £7.10