Each of the Decks contain 3 character Decks so that you can try out a few different strategies right out of the box, or mix and match cards from the Decks to build something new entirely
Once per turn: you can return 1 "Mist Valley" card from your side of the field to its owner's hand: add 1 "Mist Valley" Spell card from your Deck or Graveyard to your hand
That allows you to create a massive army of flying bodies to just crush your foes with
And a 2900 beater would be tough to take down, so I'm just wondering why he has the "cannot be destroyed by battle" effect
On the flip side, if your opponent is all Fatal Pushes, the recursive threats are much better, and Whirler Virtuoso is basically unstoppable by either side
Pest Infestation is an absolute workhorse in this archetype, offering scalable artifact and enchantment removal while flooding your board with Pests