Aquastrand Spider is a common Creature — Spider Mutant card from Commander 2011 (CMD), collector number 141. Current market price: $0.34, TCGplayer market prices via Scryfall.
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.)