If you don't play old mobile ignore this tip

List of all possible tributing rewards with no bs:

* 10 amber (uncommon)

* Quality fabricated pistol bp

* Quality pump shotgun bp

* Quality assault rifle bp

* Quality raptor saddle bp

* Quality rex saddle bp

* Quality giga saddle bp

* Quality scuba mask item

* Quality scuba tank item

* Quality gas mask item

* 3 soothing balm items

* Mindwipe tonic item (very rare)

* Revival platform item (If it's your first time tributing this artifact)

Also gives 3 rewards at a time

If you don't know what "quality" means, it means it can spawn as primitive/ramshackle/apprentice/journeyman/mastercraft/ascendant.