While Siona, Captain of the Pyleas is undoubtedly sweet, she isn't the only strong commander candidate for an Aura deck: Sram, Senior Edificer and Kestia, the Cultivator are two more Aura commanders that share a lot of Siona's card pool
This is a good sign for his prospects in Standard, since the best Gods in the past have been ones that can start attacking on turn four (Thassa, God of the Sea and Hazoret the Fervent)
You have access to all the modern cards from the real life TCG and can also use code cards from physical booster packs to get a pack to open in the Pokmon TCG Online
They took a literal approach
The mulligan system is the same as for sanctioned formats, and the deck construction rules follow the same color identity rule as the multiplayer version does
The attack, Ninja Spinner, which shares its name with the set, costs two water energy