(I know, ramping is not the best thing to do when you already have a lot of mana, but its better than nothing, and it also lowers your chances of drawing more lands.) Besides, these are artifacts, and there are plenty of ways to leverage them in other ways in the set
Players step into the shoes of the iconic captain, driving immediate board pressure from the early turns and forcing opponents onto the back foot right out of the gate
Flash creatures either function as one-for-one removal spells (Hired Blade), as two-for-one removal spells (Sentinels of Glen Elendra is better at surviving combat than Ashcoat Bear), and as flexible curve-fillers (Cloaked Siren lets you hold up interaction and have a threat if you dont need to use it)
So lets take a look at the main set and then the Secret Rare cards in Shiny Treasure ex
This allows these decks to get powerful supporter cards, items and stadiums, which enables amazing combos or ways to close out the game if players want to search for a copy of Boss's Orders