Notes & Combos
First time writing notes on a deck. So, my favorite tech cards have to be Struggle and Rciela.
Struggle allows you to pop your own Mu Rcielago to dodge any targeting negates like Veiler or Imperm then because she was destroyed by a card effect (note that Mu Rcielage just says by battle or card effect it doesn't have to be from your opponent) you get to add an additional spell to your hand.
Rciela allows your Diabellstar the Black Witch almost always have her effect go through. As Rciela makes Diabellastar uneffected by monsters so handtraps and monster negates won't work. However, spells and traps will. Also, going second Rciela can work as a boardwipe as Diabellstar has a 2500 atk and any monster that has their atk reduced to 0 will be destroyed.
Also, Azamina's effect of making your opponent unable to activate 0 atk monsters doesn't just mean the field, GY, or banishment. It also means the hand so that means most monster handtraps are turned off.