Ildrya the Calculator

CT Average- {2}{g}{u}, {t}: Add mana to your mana pool in any combination of colors equal to the average of all lands that players control, rounded down.

Height 4 Cure- Whenever you cast your first noncreature spell each turn, if your life total is perfectly divisible by 4, gain 3 life. ?/4=X

Height 3 Waterga- Whenever you cast your second noncreature spell each turn, each opponent with a life total perfectly divisible by 3 loses 4 life. ?/3=X