Whenever you draw a card, put a +1/+1 counter on Chasm Skulker. When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)
NM-Mint - $1.30
Lightly Played - $1.20
Moderately Played - $1.00
Heavily Played - $0.90
Damaged - $0.70
NM-Mint Non English - $1.30
Lightly Played Non English - $1.20
Moderately Played Non English - $1.00
Heavily Played Non English - $0.90
Damaged Non English - $0.70