Limited growth

Limited growth enters the battlefield with 10
growth counters, then you remove (X) growth Counters from it where (X) is the amount of
mana spent on {x} when casting limited growth.
Except for limited growth and its abilities and effects, All abilities, effects, spells, and costs that
use (X) are limited to a maximum of (X) where
(X) is the number of growth counters on Limited Growth.