Yellow is an Electric type Dragon and is the fourth Dragon in the 'Dragon Master' Series. Each of these unique Dragons has an Earthly element type.
The first in the series, 'Venus the Dragon' is a Plant type.
The second in the series, 'Red the Dragon' is a Magma type.
The third in the series, 'Blue the Dragon' is a Water type.
There are 5 different dragons in total that will be released. The only way to have a chance of winning the ULTRA rare 1/1 - 'King of Dragons' is to collect all 5 Dragons!