Which is better?

Unicorn comes out ahead on trade value, but the right pick depends on your goal — read both and decide.

Unicorn: The end-goal income pet. Doubling Rainbow chance stacks directly into your highest sales, which is why experienced players grind toward a Unicorn above almost anything else.

Golden Dragonfly: The recommended first income-pet investment — cheaper than a Unicorn and immediately boosts your steady Gold rolls. The standard stepping stone to a full mutation build.