Tori, Gods Wrath

When Tori, Gods Wrath enters the battlefield all opponents lose X life times two.
Whenever you lose life, target opponent loses that much life plus two.
Pay 1 life: Tori, Gods Wrath deals 3 damage to any target you can only activate this ability once each turn.
Pay 3 life, {t}: Tori, Gods Wrath deals 5 damage to any target.