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These decks would be my starting point

From my experience behind the scenes with Pro Tour testing teams, their Limited specialists want to get to the last milestone and maybe knock out a few stretch goals if they can

Depending on what you pair this card with, you can easily rack up a pretty stack of lore to put you in a comfortable lead

Elsa, Spirit of Winter can herself quest for a mighty three lore and challenge with four strength, making the Amethyst card pretty powerful across the board

It's not great on its own, but with the right support from other Treasure Planet characters, it can pull its weight, protecting your valuable characters and generating quite a lot of lore