collector booster box mtg Avatar: The Last Airbender – Mox Boarding House including 1–2 card(s) of rarity Rare or higher and 3–5 Uncommon Magic the Gathering MTG Collector

Falling under the Amethyst ink type, this card has a very high cost of 8 ink to be summoned, however, if a player has an Elsa card already in play, the Spirit of Winter card can be "Shifted" and summoned for only 6 ink

To proliferate means to choose any number of permanents and/or players that have a counter, then give each one additional counter of each kind that permanent or player already has

Disney Lorcana tried to do some damage control and clarified some things about these cards

Back in 2023, Lorcana also released a special Disney100 Set that included 6 new cards

I'm skeptical that it can maintain such a high demand going forward, but since Fabled introduced Iconic rarity, it has certainly introduced the perfect height of card chasing for what is a TCG somewhat still in its infancy