Elise, the Spider Queen

When another creature die, you can pay {u/b}{u/b}{b/g}{b/g}. If you do, Elise, the Spider Queen becomes a 6/5 green Spider legendary creature with reach and "Whenever another
non token creature die, put a 2/1 black spider creature token".
"Lo que digas, pero yo casi nunca veo que se juegue".