Squalid Worm

Trample, radiate, radioprotection (This permanent can neither get the radiation sickness nor
be contaminated by radiation.)
Squalid Worm gets +1/+1 for each radiation counter on it.
{t}: Put a radiation counter on Squalid Worm.
"Horrifying isn't it? Absolutely wonderful."
-- Gammazart, Bane of Nature