Springans is an archetype consisting of FIRE Machine monsters that specialize on cheating their archetype XYZ monsters using the effect of their Field Spell Loading... . All Springans machine Main Deck monsters have the effect to attach themselves into an Springans XYZ monster. The deck specializes on swarming the field to allow any sort of combos in the form of 4-Axis or Link Climbing, allowing infinite combo lines without any sort of lockdowns.
Rockey is your recycler, he has the effect to add any Springans monster or Loading... to your hand. This is something that you're usually going to summon using the effect of Loading... or Loading... . The recyling effect must be used carefully if you wish to go +1 by recovering GY Materials. Your top recycle targets are going to be Loading... and Loading... .
Brothers is your extender. If this card is send from the hand or deck to the GY. You can activate the effect of targeting 1 other Springans monster and Special Summon it in defense position. You want to combo this card with Springans Rockey in order to manage your resources. This becomes a great extender for 4-Axis plays if you manage to activate its effect at a good timing.
Kitt is another extender and a great way to dump Loading... into the graveyard by using the effect of Loading... . You have to be careful as you need to mulligan 1 card from your hand. The reason you want to add this card from the GY to the hand is due to its free extender if Loading... is on the GY for followup.
Branga is your searcher, he has the ability to banish itself and 1 other Springans monster in your GY to search any Springans Card from your deck.