Nightcaller

If a Unit you control is destroyed on another planet: {e} (LS) you may Engage; search your
deck for 1 Umbra Unit of Fuel Cost {2} or less.

(OPT) You may destroy 1 other Unit on this planet; reveal the top 3 cards of your deck, add 1 Umbra Unit of Fuel Cost {2} or less, then
shuffle the rest.