It still has another effect during your opponent's turn, where you can banish them to Summon 1 Synchro Monster
You wait for the big draw spell, deploy it mid-resolution, and let the triggers stack
Just one more draw source and you ruin another players night
Like the hierarchy of the Egyptian Gods in the manga, the Wicked Avatar (who is at the top) cannot be destroyed by the other two gods, as well as being invincible against "Obelisk" and "Slifer"
There are still folks trying to keep this going in Modern, especially in the emerging category of Soul of Windgrace decks
And the sets Kanto focus Mewtwo, Charizard, Blastoise, Venusaur, Dragonite, Eevee makes it one of the densest Kanto sets in Sword & Shield