Yes, it destroys your opponents monsters if they get cocky with their summoning and choose to attack, but it does not deal any damage when triggered
(If it is another card, it will not be guarded and his key card cannot be used) And he can remove it with the current rank 4 of Xyz
If there is a Ritual Monster on the Field, she can target the Ritual Monster and Special Summon herself on the field
The effect itself is strong enough, but there are level 8 rivals with no other restrictions, such as Scarlight and , high-performance attackers who don't choose opponents (and can move from EX on its own like Stada), and removal other than destruction is possible
Pulls cost 100 Gems, and while you might end up with duplicates, you can always feed those to the crafting machine
You're a skilled duelist, built for battle, designed for destruction