A variety of fetchlands are in this deck too, to serve several purposes: 1) deck-thinning, 2) setting up Landfall for Searing Blaze and 3) mana-fixing
Buying from established businesses that specialize in Japanese Pokemon cards significantly reduces this risk
The One Ring is still that good, and you can get it in a normal, cheaper version if you want it
On top of this, Hakbal can also ramp you by attacking, but you do need to buff him so he'll survive combat -- which the deck also provides
Its also likely your playgroup will be okay with you including them in the 99 of your deck since none of the individual cards are too overpowered
The fact that you can cast Tiamat with this in play and put five dragons on the table is very interesting and splashy, but in competitive MTG, this spells win more. Either way, this card can create loops when you cast a dragon again and again for free, but youre either cheating Dracogenesis into play or dumping 8 mana into it Omniscience is already a thing, by the way