Unlimited Shiftry Rival ( Lost World, Lysandre Prism Star)

This deck aims for lost world win, by milling the majority of your opponents deck. Though the Magcargo also mills your deck, as long as you have download porygon2 you can Lysandre's trump card, and then run through the deck again.

On the optimal run through of one deck cycle, Magcargo uses its ability 8 times, and Weavile uses its ability once, for a total of discarding 25 cards from your opponents deck, and 24 cards from yours.

If this doesn't get 6 of your opponents pokemon in the discard, then

This deck aims for lost world win, by milling the majority of your opponents deck. Though the Magcargo also mills your deck, as long as you have download porygon2 you can Lysandre's trump card, and then run through the deck again.

On the optimal run through of one deck cycle, Magcargo uses its ability 8 times, and Weavile uses its ability once, for a total of discarding 25 cards from your opponents deck, and 24 cards from yours.

If this doesn't get 6 of your opponents pokemon in the discard, then you can Trump card and continue milling.

If on the first deck runthrough, your opponent does end up having 6 pokemon in the discard, you can play Flareon to turn all of your stage ones into fire type, download Lysandre (prism star) to put 6 of your opponents pokemon in the lost zone, then use Brock's Ninetales to Shapeshift into Gothitelle, using Teleport Room to replace Broken Time Space with Lost World, using Lost World to win the game.

You have to use the Gothitelle's ability because you can only play one stadium from your hand per turn, so you should play Broken time space first.

This deck takes a lot of management with all of the basic pokemon, but scoop up net should help, as you should almost never have more than one magcargo on your bench. As soon as you discard 6 pokemon from your opponent's deck, you should change your focus to getting Flareon on the bench, and 5 other stage one pokemon.

Every other card in the deck is basically your typical unlimited deck structure, with Sableye for going first, Uxie for draw power (better Shaymin EX) Bewear for easy no discard draws, protecting Lysandre, and Porygon2 for first turn Supporter use. ( Trump Card and Lysandre )

This deck has no testing, if you have any suggestions, please let me know.