Nightmare of Altrazians

Nightmare of Altrazians enters the battlefield with
X +1/+1 counters equal to the total mana used to
cast it.
Non-creature permanent with Frostbite counters
are also treated as 1/1 creatures.
{s}, {t}: Place a Frostbite counter on target land. Activate only as a sorcery.
{b/r}{b/r}, {t}: Remove any number of Frostbite
counters from creatures you control.