Ultima is also devious, given it ends the turn
They carry everything from Elite Trainer Boxes to booster bundles at MSRP, but the path from "I want this" to "I got this" involves a few things worth understanding: a marketplace with both first-party and third-party listings, an invitation-based drop system for high-demand releases, and stock that tends to move fast online
Here is a slice of eBay completed sales for the promo during the Game Day weekend: The Game Day Thunderbreak Regent is still commanding a TCGplayer-mid of $20 as of writing
However, players weren't given Rayquaza ex just for logging in
From Tarkir: Dragonstorm , several new tools may find a home in this archetype
A new card type, especially with a rules-bearing subtype, is an exceptionally high amount of work, but this is a pretty great example of how additional tasks fall out beyond the obvious work necessary to implement new mechanics