You can back up the ward trigger with a few counterspells, and the fun thing is, you can wait for your opponent to pay the ward cost and then toss out a counterspell or two to keep Miirym safe
The new commanders are some of the coolest, but there's a number of other new cards in the deck as well
My guess is that Chromium is a little worse than average at the moment, since it has to compete with Torrential Gearhulk (still the better card, I think) at the top end and running any sort of seven-drop in a field dominated by red aggro seems a little suspect
While Land Tax isn't what traditionally what you'd think of as a ramp spell, it at least ensures that you will be able to have land drops and thin out your deck for the foreseeable future
Shorikai is most popular as a U/W control/combo deck, which means players have access to many options to fill out their curve alongside vehicles
The One Piece Card Game officially launched in 2022, and hundreds of cards have been released through booster sets, promotional events, tournaments, and special campaigns