You can use this to win longer games by getting your two best permanent decks, and the other effect can disrupt the opponent or be used to shuffle your best cards back into your deck
But I would suggest that this stability is an illusion
Slimefoot and Squees second ability, costing and requiring the sacrifice of a saproling, allows you to reanimate it plus one other creature
Note that you do not target their creature, they choose it, so it plays like a Diabolic Edict effect where they send in their worst creature, rather than a better creature
1 Miraidon: Scarlet & Violet Promos (PC-Exclusive Promo) $73.30 Looking Ahead The Pokemon Center Exclusive Miraidon promo takes its place on the throne as the most expensive Miraidon card in the Pokemon TCG, soaring well above its closest competition, leaving no doubt that this card is the most vibrant depiction of Miraidon in the TCG thus far
Costs one more to get startedand gives you a Fireball instead of a Stream of Life