You need another way of untapping them, but you have access to all colors, so it wont be hard
For one, unlike certain other pack-based online competitive games, spending money doesn't really gain you any meaningful advantage: there's no online transfer market, for instance, where you can hawk your wares for in-game megabucks to then buy an otherwise unobtainable good squad
Baird, Steward of Argive Baird, Steward of Argive is half a Ghostly Prison attached to a body, which has advantages and downsides
Cards like Braids challenge the player to use extra effects to make symmetrical effects more one-sided, and blue offers plenty of such cards
The goal of the deck is to flood the board with a variety of token artifacts -- clues from Tireless Tracker, thopters from Sharding Sphinx, treasures from Pain Distributor, and so on -- and utilizing them in unique ways, such as tapping them for mana with Inspiring Statuary, drawing cards with Shimmer Dragon, and dealing damage with Ghirapur Aether Grid
Soltari Monk (Ext, S, Block) Shadow creatures usually ended up breaking the mana curve because Wizards costed them as if shadow were a drawback, not a massively useful evasion ability