You can however only own 1 Extra Monster Zone at a time normally, and the other only your opponent can Summon monsters to, though do note that neither player is treated as owning them before their monster is in it
It's good to see effort being put in to update the product and keep things fresh
In the anime, the former group were also stated to be the first four Numbers to fall to the Earth during Astral's ancient battle with Don Thousand, while the latter is the last Emperor's Key Number to be discovered and obtained
Exploring the Stainless Steel Card Episode one of Yu-Gi-Oh
Sorcery speed is what ultimately kills this card for most environments, but a Trumpet Blast of sorts paired with a draw four can give aggressive decks a lot of staying power, and this is a solid curve-topper for a token strategy
The coin flip aspect of Ral is also very powerful