pokemon cards steam siege packs XY Booster Pack Booster Pack Prices | Pokemon

But, on what

Well, you'll either need to collect the cards from Arena booster packs for the sets they came in, or else directly 'craft' the specific cards you need using MTG Arena Wildcards - effectively tokens you can exchange for the exact Common, Uncommon, Rare, or Mythic Rare card you want, depending on the type of Wildcard

You can see all of the contents via the gallery below

Creatures (21) 1 Sakashima the Impostor 4 Angel of Despair 4 Bogardan Hellkite 4 Simian Spirit Guide 4 Progenitus 4 Terastodon Lands (21) Spells (18) The Hypergenesis list Kuroda took to a Grand Prix finals didnt have access to the unreal fatties of today, such as Emrakul, the Aeons Torn or Griselbrand

So, when you build a reasonable collection of pocket monsters (it won't take you long, considering the number of free cards the game throws at you in the first hours of gameplay), you can take them into battle