trainer cards pokemon KrystalKollectz - Card You may play as many Item cards as you like during your turn (before your attack) Pokémon TCG: 10 Strongest Trainer

Removing them one at a time with cards like [c]Assassins Trophy[/c] wont really be possible, but if you pay a bit more mana and cast something like [c]Cyclonic Rift[/c] for its overload cost, then all your problems will be taken care of with just one card

Abilities that care about modified creatures you control reward you for outfitting your squad

Engineer may indeed sneak into something in Modern since the support is so much more robust there, but if that does in fact happen the in-print rare is not going to be the expensive card in that deck

For the Extra Grand Battle, we will prepare special rewards for top finishers, similar to those of the Flagship Battle