A little bit of chaos is fine, but too much is irritating
As of Eevee Grove, the rarest cards in the game are as follows: It's worth noting that, whenever there are two or three packs in a given expansion, the percentage for each card to be a Gold Crown rare in a God Pack applies only to that specific pack's corresponding Gold Crown rare
You can preorder them now from your local game store, online retailers like Amazon, and elsewhere Magic products are sold.
All the legends in Homelands are overcosted for their effects, and honestly are quite bland regardless
As for what the Dragonite card actually does, its main attack deals a pretty impressive 250 damage - very solid for a basic Pokemon card, though your bench does take a hit
Tutors that search for a specific card of a specific type/subtype can be very powerful too in the right deck