Island Fish Jasconius doesn't untap during your untap step. At the beginning of your upkeep, you may pay {U}{U}{U}. If you do, untap Island Fish Jasconius. Island Fish Jasconius can't attack unless defending player controls an Island. When you control no Islands, sacrifice Island Fish Jasconius.
Near Mint - £43.30
Lightly Played - £36.80
Moderately Played - £30.30
Heavily Played - £21.70
Damaged - £13.00
Near Mint Non English - £43.30
Lightly Played Non English - £36.80
Moderately Played Non English - £30.30
Heavily Played Non English - £21.70
Damaged Non English - £13.00