That pretty much means that foil Thalia is never going above $30 for the foreseeable future
UR Ultra Rare Jurrac Stego X FIRE Level 4 [ DinosaurEffect ] ATK 1700 DEF 900 During your Main Phase: You can destroy 1 card you control, and if you do, send 1 Dinosaur monster from your Deck to the GY, then you can Special Summon "Jurrac" monster(s) from your hand and/or Deck, except "Jurrac Stego", whose total Levels equal the sent monster's Level, ignoring their Summoning conditions, also for the rest of this turn, you cannot Special Summon, except Dinosaur monsters
Artazon PAL 171 can be useful to help you find Basic Pokemon from within your deck
You can activate one of Ral, Leyline Prodigy's loyalty abilities the turn he enters the battlefield
The price hovered around that point until near the end of April
With that effect (which btw is flexible as you can apply it or not, in comparison to ALO's mandatory Level -1) you're essentially making any Level 4+ WATER monster 4 levels in one