Manta Ray can't attack unless defending player controls an Island. Manta Ray can't be blocked except by blue creatures. When you control no Islands, sacrifice Manta Ray.
Near Mint - $0.25
Lightly Played - $0.24
Moderately Played - $0.19
Heavily Played - $0.15
Damaged - $0.10
Near Mint Non-English - $0.25
Lightly Played Non-English - $0.24
Moderately Played Non-English - $0.19
Heavily Played Non-English - $0.15
Damaged Non-English - $0.10