If you do have $400 to spare, you could buy a high quality home printer, good quality card stock, a pair of scissors, and have funds left over to buy a booster box of Thunder Junction from your friendly local game store to run a draft with your friends
Mewtwo V-Union [Set] (Pokemon Promo | Pokemon Cards) prices are based on the historic sales
Invasion of Amonkhet // Lazotep Convert Exxaxl: This is the only battle card that I found truly interesting
Iron Valiant ex Ability - Tachyon Bits Once during your turn, when this Pokemon moves from your Bench to the Active Spot, you may put 2 damage counters on 1 of your opponents Pokemon
The card itself is a sizable flying threat that can surprise opponents by being flashed in at the end of their turn, and its flicker effect can trigger another one of your enter the battlefield effects, save a creature from removal, or both
It applies to both costs and effects