Arachnophobia

Arachnophobia enters the battlefield with {x} egg counters on it. Choose up to one per turn:
•{x}{t}; add {x} egg counters to Arachnophobia.
•{t} and remove an egg counter;
Create a 1/2 Spider token.
"The itsy-bitsy spider crawled up the water spout;
down came the rain and washed the spiders out;
and oh how many spiders there were..."