They are also featured in the Pokmon Center merch that came out as part of the promotion for this set
It turns every Giant Growth into a +6/+6, which Wolverine then turns into a +12 power effect
Disa the Restless Wait, does Disa just want you to self-mill too
It also turns any combat damage a creature with deathtouch does to a planeswalker into lethal damage

Two main types dominate the market: Zipper Binders Secure closure protects against spills and dust Interior elastic straps keep pages aligned Compact design ideal for tournament travel Side-loading pockets with reinforced seams Often feature external pockets for tokens or dice Fixed-page portfolios No rings to potentially damage cards Often include magnetic closure Premium versions feature padded covers Built-in elastic straps to keep pages flat Deck Boxes Deck boxes can range anywhere from a budget solution, such as a vinyl box, all the way to premium storage devices that hold room for your cards, dice, tokens, and any other equipment your decks need to function: Hard plastic boxes Crush-resistant construction Water-resistant seals Often include built-in deck dividers Fabric boxes Softer interior to prevent card scuffing Usually feature magnetic closures Additional compartments for dice and tokens Some include removable deck trays Protection materials form the next layer of card preservation

For two mana, it lets you place a +1/+1 counter on a creature with one of those types