Optimus Prime, Hero / Optimus Prime, Autobot Leader Optimus Prime, Hero is either a 4/8 with bolster 1 triggering every turn, or a 6/8 vehicle with bolster 2
Released in the Hidden Arsenal series, Ice Barrier was laughably inefficient at what it did, to the point of comedy, acting as a series of soft-locks that required multiple Ice Barrier monsters on the field, culminating in incredibly broken boss monsters that never saw play in their home strategy
Decks with low HP Pokemon, like Lost Zone box, Gardevoir ex, and Charizard ex might see less play due to the presence of Iron Hands ex
Kangurello was playing Stitchwing Skaab, while the most recent build plays one Shriekhorn and one Rally the Peasants in its place
If heads, the Defending Pokmon is now Paralyzed from a headache from the crying
Below is the decklists for each of the 8 decks