omen cards mtg of the Dead If its a land card Marang River Regent // Coil

Should I buy Collector Boosters or Play Boosters

Untethered Express has Trample and Crew 1, requiring you to tap any number of creatures you control with total power of one or more to turn Untethered Express into an Artifact Creature until end of turn

Expect Singer shells and Ruby midrange to post first

You could certainly pour more money into this and maybe get some strictly better cards, but the low costs on these blue instants and the built-in evasiveness of your creatures go a long way in giving you options to interact and make effective attacks

Blue creature decks often desire equipment to give their weaker guys a bit more presence on the board and Kira has poor synergy with them which is critical in deck building

Even Omo is going to have a hard time getting you enough loci for the activated ability to be meaningful