union arena english booster box BANDAI The Eminence in Shadow UA52BT Pack TCG — ToysOneJapan This set includes many high union arena nikke booster box

If you go with the more item-heavy route, pick restoratives so your Manaphy wont get knocked out early

I cant possibly list here all the strategies because I am pretty sure there are 50+ viable decks that you can pilot to a tournament win, so I am including here the ones you are most likely to fight against, either because they are very strong or popular among new players

10 cards in your deck for draw and/or advantage is considered pretty standard, and is in line with what I usually run in a deck

Uncommon: x 30

5 Wurmcoil Engine Wurmcoil Engine is an essential card in a lot of decks

This card usually gets around the downside of not having strong creatures, or not having enough creatures