Gifts are a feature added for the Christmas 2021 Event. To collect them, you need to defeat the Dark Elf mob on any gamemode, such as story and infinite mode, and returning to the lobby by any means (for example, leaving, clearing a mission or have your base hp reduced to zero.)
Delivering Gifts[]
Gifts, once obtained from beating a dark elf, you must give it to the Gift Collector in exchange for rare units, snowmans and snow capsules
Gifts[]
It it confirmed that gifts with the same pattern and color gives the same reward (post the gift and then the rewards)