Aquastrand Spider (CMD 141)

Creature — Spider Mutant • Mana cost: {1}{G} • Commander 2011 • Common

Graft 2 (This creature enters with two +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)
{G}: Target creature with a +1/+1 counter on it gains reach until end of turn. (It can block creatures with flying.)

Illustrated by Dany Orizio.