Fireball
Cost 5
+ 1 card
(4/5)Lightning + Thunderstorm
Cost 1.6
+ 2
+1.8 cards
(A cost of two types of quanta is equal to a cost 1 greater of one type of quanta.)
Cost 4.6
+1.8 cards
Fireball needs to cost 5-6
Hellball
Cost 5
+ 1 card + 1 upgrade
(3/5)Lightning + Thunderstorm(unupped) +Lightning Storm(upgraded)
Cost 1.2
+ 3
+2.6 cards + 1 upgrade
(A cost of two types of quanta is equal to a cost 1 greater of one type of quanta.)
Cost 5.2
+2.6 cards + 1 upgrade
Hellball needs to cost 7