Frostweb Spider
Coldsnap — common
Snow Creature — Spider
Frostweb Spider rulings:
2006-07-15: If Frostweb Spider blocks a creature with flying that’s just powerful enough to kill it, it will die before it can get the +1/+1 counter.
2006-07-15: If Frostweb Spider somehow blocks more than one creature with flying during the same combat, its ability will trigger multiple times.