The Nukalurk Queen

The Nukalurk Queen cannot have toxin or radiation poison counters on it.
{u}{u}{u}{g}: place 3 toxin counters on all attacking creatures opposing player controls.
Noxious 4 (When this creature deals combat damage to a creature, put X toxin counters on that creature where X is its Noxious factor (Noxious X). At the end of your turn, creatures with toxin counters on them lose 1 toughness for each counter.)