Vendilion Clique is the blue Thoughtseize, getting rid of the best card in your opponent's hand and also giving some free information, which can be extremely helpful
Based on the latest market prices tracked on TCG Stacked, Kingdra is worth about $16.11 USD
Set Number 338 Language Italiano Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) You can't use the reflexive triggered ability to try to attach an Equipment to a creature if that Equipment can't legally be attached to that creature
7 Stakataka GX: Celestial Storm (Secret Rare) $12.06 Counting Stacks Stakataka is another Rainbow Secret Rare that was an iconic part of the Sun & Moon era cards, as another Ultra Beast fully leans into the popular-at-the-time design choice
Then, this Character gains +2 cost until the end of your opponent's next End Phase
Maximus can fetch his own armor, which is fun, but you'd only want him for an energy deck