There are two lanes to attack from and extra cards given with each chunk of health lost which is a great catch up mechanic
Again, limited by time, you spend Wonder Hourglasses to recover wonder stamina for essentially a game of lucky pick: you select a group of five cards on offer, they're shuffled up in a whirl, follow-the-cup magic trick style, and you pick one in the hope it was that fancy full-art Pidgeot or one missing, mid-stage evolution for that deck you're building
The Big Five [edit] The Big Five were originally the executives for Kaiba Corporation, who were swayed to Kaiba's side
Well be sure to keep you posted on the rarest and most valuable cards in the set
Decks With This Card Recent public and tournament decks using Field Barrier
He is fairly pricey and doesn't do much to protect you against mass removal which is your biggest concern against slower decks