Spark Fueled Creation

As part of its casting cost, remove one or loyalty
counters from any number of Planeswalkers
you control. The total number is {x}
Spark Fueled Creation cannot be countered
Add 2 colorless mana, Add two times {x} mana,
of any combination of colors which the
Planeswalker \each counter was removed from
has. Use this mana only to cast permanents.
Spells cast with this mana cannot be countered.