To determine the total cost of a spell, start with the mana cost or alternative cost (such as a flashback cost) you're paying, add any cost increases, then apply any cost reductions
One other point to mention is that if you have a spell like Lightning Axe, which has an additional cost stapled to the main effect of the spell then you need to pay that cost even if youre casting for free
Ljunggren notes that he started from the idea of a book with a polished stone in the center of its binding, which he used as a jumping-off point to make Codie have a single central eye
Smpratte put together a great YouTube video on this, and I highly recommend giving it a watch
Four Heavenly Dragons - Odd-Eyes Pendulum Dragon Level 7 DARK Pendulum Effect: You can only use this card's Pendulum effect once per turn
6 CLASSIC COLOURSPerfectly match your different deck theme and distinctive