1st Going: Try to summon Number 81: Super Dora with Heavy Freight Train Derricrane to make an unaffected beast with a quick card destruction.
2nd Going: Summon Gustav Max/Skypalace Gangaridai (if you need to pop backrow or destroy monster) and then summon Juggernaut Liebe and go for 6000 atk.
The other extra deck cards are for some certain situations:
- Superdimensional Robot: Against Eldlich or other backrow decks
- Number C9: For burn in case your opponent has low LP
- Number 101: To suck monsters :0
- Pentestag: Against defence position monsters
- Knightmares: To get rid of some card the opponent controls
P.S. in the side deck there are some extra deck card that you can use if you need to replace something