Zubaba Knight is a character version of the card "Zubaba Knight".
It appears as a Normal Partner available in Yu-Gi-Oh! Duel Arena, with a default of 3 Rental Points. Its partner ID is P098. It is only obtainable as a reward after clearing Stage 1-5 in Quest mode.
In the beta, it had a default of 2 Rental Points, and its partner ID was P040 instead.