The natural synergy between two of the most popular Ghost-type characters ever created an immediate recipe for financial stardom
Every Disney Lorcana starter deck brings a solid array of cards and possibilities to the table, so picking up any of them won't prove to be a mistake, but Amber/Amethyst is generally the safest choice.
The plane of Theros is home of the largest of the bunch the legendary Arixmethes
TL;DR: Ruby Sapphire Items uses Ruby's challenge-focused attackers to clear non-Evasive threats and generate combat pressure, while Sapphire Items provide resource advantage that persists across turns
Of course, building your deck with the only creatures being one Street Wraith and two Emrakul, the Aeons Torns is a big cost, and you'll have to play a bunch of ways to tutor up your one Street Wraith for the plan to work, but this plan is actually very similar to that of various Possibility Storm and Polymorph decks, which go to great lengths to ensure their seemingly random payoff is anything but
This may see use in "Team Rocket" decks, and it would be a solid first Pokemon in Clodsire decks, if the Paldean Wooper didn't already have a superior attack