In particular, you should decide how long your game will be, the characters involved, the Pokmon available, and the physical size of the game
Pokmon-V have dominated the competitive scene for a few years now, and most of the popular archetypes play essentially the same way
These types of mana accelerators fell out of favor after a while, and then came roaring back with the printing of Revel in Riches and Pitiless Plunderer in Ixalan block
A smaller number of Pokmon allows you to focus on key evolution lines and increases the likelihood of drawing the cards you need when you need them
Instead, you have to type "MTG" and then a random word (like "bracelet" or "clock) into Google or eBay and see what (if anything) pops up, often while digging through a ton of listings for Unwinding Clock and Illusionist's Bracers
The surprises continue, as Raikou Star also has plenty of NM sales to reference, ranging from $300 to $340, with the top sale setting Raikou's market price