One upside is their ability to prevent any attack or tap-based triggers, but they come with the downside that they leave your opponents creatures untapped since they never got to attack
Pokemon TCG: The Pokemon Company International utilizes basic rarity symbols (circle for Common, diamond for Uncommon, star for Rare) but quickly escalates into a dazzling array of Holo Rares, Reverse Holos, and various "Ultra Rare" categories that have evolved over the years (e.g., EX, GX, V, VMAX, VSTAR, and the current 'ex' cards)
Passionate Archaeologist is a powerful and efficient background that gives exile strategies a bit of extra reach
This card also works well in multi-color or 5-color decks as you can get access to two colors of mana with no casting restrictions
First, well need to buy either in-game tix to trade for cards, or store credit with a group like GoatBots