mini american card binder 1 Pocket – Collectible Trading Card Album, Single Card Holder with 20 Pages, Holds 40 Cards, Side-Loading Binder for TCG, MTG, Sports, Baseball, Football, Small Sports Card Book,Pink Magic the Gathering cards MINI AMERICANCARD HOLDER 60+ -

They are ramping a little, thinning your deck, giving you some board presence which might be useful for Overrun effects or mana production effects

Its all that matters

Umbra armor's effect is applied no matter why the enchanted creature would be destroyed: because it's been dealt lethal damage, or because it's being affected by an effect that says to "destroy" it (such as Nekrataal's triggered ability)

Opening one pack of cards will create a stamina meter where you will have to wait 12 hours before another pack is refreshed

Its uncertain if or when Stadium cards will be added to Pokemon TCG Pocket because incorporating them will require altering the playing field to give the cards their own space

Sure, some methods help the player get better cards (such as picking the same spot every single time), but thats if the code aligns with your luck at this rate