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 - $85.60
Near Mint Non-English - $85.60
Lightly Played - $77.00
Lightly Played Non-English - $77.00
Played - $59.90
Played Non-English - $59.90
Heavily Played - $51.40
Heavily Played Non-English - $51.40
Damaged - $42.80
Damaged Non-English - $42.80