If the Pokemon the Tool is attached to is attacked, the Tool will deal 20 damage to the attacker
All you have to do is create a save before you make your decision, and then soft reset until you get what you want
Even with myriad you're still only getting a temporary advantage, so you should make sure you either borrow something that's going to leave a mark, or lean on sacrifice effects to circumvent giving the creature back
Youre casting cards from the top of your library, and suddenly you cant because its a land or a very expensive spell
More structure decks are available to unlock by completing chapters of Master Duels solo mode
Pokmon TCG Rarities: Complete Guide Understanding card rarities from Common to Secret Rare, including pull rates, symbols, and what to expect when opening booster packs