You can obtain the Mawile (1-Diamond rarity) card by opening Wisdom of Sea and Sky: Ho-Oh and Wisdom of Sea and Sky: Lugia from Wisdom of Sea and Sky set
(9/24/2021) While you have three creatures with different powers, Augur of Autumn allows you to cast the top card of your library if it's a creature card, it's your main phase, and the stack is empty
Playing a deck thats so much expected always comes with some dangers, particularly on a PT level, where opponents will be able to prepare the matchup quite well therefore making the deck considerably worse
In the Release Information, no less than six different cards are summarized, only three of which are featured in the Gallery section
Invasion Artifact Mutation Assault // Battery Aura Mutation Pure Reflection Rith, the Awakener Saproling Infestation Pure Reflection built upon the design technology of Spirit Mirror