Just a random deck i really love to play
Great Tusk ex for instant damage, Marshadow to copy attacks, Galarian Articuno for Bench Snipe and Naganadel & Guzzlord Gx to take the 2 last prizes.
With the Ancient Wisdom of Regigigas you can attach 3 Energies to the Pokémon in one turn and you have more place on your bench with Sky Field.