avatar mtg booster box Magic: The Gathering the Last Airbender Collector and elemental bending from the Avatar universe into the world of Magic Magic: The Gathering x Avatar:

This will give you 10 packs of cards from across all the various card sets available in Master Duel, as well as the card Ash Blossom & Joyous Spring - aka the most annoying negate-effect card in the whole game

I wont really get into all the Metalfoe plays, but Ill suffice to say that the deck is fairly functional on its own without the use of the Kozmos, so in the worst case scenario you can use the deck when you draw only it

One of the Signers, bearing one of the birthmarks of the Crimson Dragon

Yes, CardTrader connects you with sellers globally, allowing you to find EX Delta Species cards in various languages including Japanese, Italian, and German

Strixhaven is definitely a setting we need to return to later down the line

Combine this with a powerhouse like the new Zacian V or Mega Lopunny and Jigglypuff GX, and you have an easy win on your hands, especially with how common Tag Team GX cards still are in the metagame