Its basically a one mana ramp spell
They're banned
Cards like Archetype of Endurance and Sigarda, Host of Herons can provide broad protection for your entire board
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
Given that these unique cards include names and depictions that are the intellectual property of AMC, which created The Walking Dead , it seems unlikely that these cards will ever be accessible in another way
The other use I can see for Retreat to Coralhelm is that it gives sudo vigilance by untapping after combat
