Heirloom Blade seems like a great inclusion here that plays nicely with Oketras ability to be put into your deck three cards from the top
Usually, head (shiny side facing on) means success, while tail (dull side facing on) means fail
The four Star Trek Commander decks carry the following names and color identities: Federation Fleet - Jeskai (Blue, White, Red) Landing Party - Bant (Green, White, Blue) Klingon Fury - Mardu (Red, White, Black) We Are The Borg - Esper (White, Blue, Black) We can make a fairly simple assumption based on the box art which character is going to be the lead Commander for each deck, but it's notable that each box only features one character, when often those who are featured also represent the backup Commander for each precon
You should simply play Vibrant Cityscape in every deck to fix its mana, but you just dont necessarily need to pick it up over any particularly good cards for your deck
, : Add X mana in any combination of colors, where X is the greatest power among creatures you control