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 - $29.50
Lightly Played - $28.00
Moderately Played - $22.25
Heavily Played - $17.75
Damaged - $12.00
Near Mint Non-English - $29.50
Lightly Played Non-English - $28.00
Moderately Played Non-English - $22.25
Heavily Played Non-English - $17.75
Damaged Non-English - $12.00