While its Azure Pulse ability can be helpful in certain situations and its Max Burst move has the potential to deal significant damage, they are not sufficient to make Rayquaza a top choice in the current format, even as a Rapid Strike Pokemon, which typically provides benefits to the card
There are some pleasant synergies with this card that can soft lock your opponents out through resetting persist with things like Hex Parasite
Nahiri, the Lithomancer Nahiri, the Lithomancer gives you another equipment commander all about cheating on mana
[1P] Psychic (10+) Does 10 damage plus 10 more damage for each Energy card attached to defender
Hand knowledge is a big part of Yu-Gi-Oh, and reducing your opponents card advantage is also a huge part of the game, and this card accomplishes both of those things
Yes, it provides an extra reward for playing his game well (and building around making your opponents sacrifice things), but isnt there enough satisfaction and power to be had with foisting awful choices upon your opponent