Its Set Up ability, which allows players to draw up to six cards into their hand when Shaymin is played from the player's hand to their bench, is ridiculously useful and can really help to turn the tide in a tight battle
Joey's ace monster from the anime, Red-Eyes, is also iconic, but not on the same level as Blue-Eyes, Dark Magician, or Exodia
Lorehold puts plenty of cards beneath it, plus the loot effect provides a mana sink for any spare mana left floating around
The last ability of Slime Against Humanity lets you ignore the "four-of" rule
4 End Phase There are some actions to do here on some cards, but mostly it just ends your turn and now your opponent takes a turn
This partner also opens access to blue, which can give you some additional cool cards for your chaos strategy