Fenrir & Elena, Apex Predators

Double strike, menace
You may cast spells with loot counters on them
from exile, and you may spend mana as if it were
mana of any color to cast those spells.
{3}, Sacrifice a creature and discard three cards:
Transform Fenrir & Elena, Apex Predators. Any
player may activate this ability as a sorcery.
"...really means, love!"