Braingeyser will let you refill your hand as needed at this point, and you should be able to generate infinite mana, infinite Shivan Dragons, or the opportunity to fire off infinite Braingeysers at your opponents
Exotic Orchard is also a good inclusion since youre running four colors and it's very unlikely youll ever play against three mono-green decks
An easy artifact-based combo you can pull off with little work includes Myre Battlesphere and Nim Deathmantle
As long as you are that battles owner and controller (reminder: the chosen defender for a siege battle is not their controller), you could technically choose it for a sacrifice effect
8 Incineroar This Incineroar GX card from the Team Up expansion is one of the best cards to counter adversaries who deal out a lot of damage
(verified sellers): Major retailers like Tesco and Asda will often have Pokmon products available, as will popular gaming stores like GAME, too