emerald booster box Pokémon Storm Boxes up on Amazon. Will ship to USA. https://www.amazon.co.jp/dp/B0GP928YDZ EX Emerald SOLD OUT BESIDES BOOSTER PACKS

Union : Is made of combined monsters or able to naturally merge with other creatures of the same type

The same cant be said for much of its Jumpstart set, however, as many of the big cards still command fearsome prices

[1] If this card is Special Summoned from the Extra Deck: You can add 1 Spell/Trap that mentions "Union monster" from your Deck to your hand

Nyx Lotus does not

There are a few additional points it could have addressed within its scope such as demonstrating at least one trainer card, but on the whole it is a good introduction and there is other in-game guidance for concepts beyond those introduced in the mandatory tutorial

Special Summon 1 non-WIND "roid" monster from your Deck