As always, in MTG sets that are not purely designed for Modern play, the cards we get for it might be either strictly better upgrades of already existing cards or new enablers/payoffs for existing archetypes
Thats a lot of mana to commit at any point in the game, and since the effect is open information, your opponent can do a surprising number of things to prevent you from paying the mana
Arceus is one of the most prominently featured Pokemon in Brilliant Stars, though its other versions have fallen off in value
Though this can force yet even more additional damage into your opponents, it also adds an additional layer of risk, as you could potentially lose out on a key card to your strategy
You can quickly overwhelm plenty of board states with this all-in-on Bello strategy, as he also lets you draw cards anytime those newly animated creatures connect with a player