What type of reptile should i buy?

i have alot of experiance with reptiles. i have a baby berded dragon a crested gecko frogs a toad box turtles and aquatic turtles right now. iv had a bunch of other kinks of reptils too like mountan hornded dragon iguana savannha monitor. i have 2 10 gallon tanks and a 20 gallon and im not goiung to be able to upgrade for about a year. what do u think id best for me to get?