Island Fish Jasconius doesn't untap during your untap step.
At the beginning of your upkeep, you may pay
![Blue](/Handlers/Image.ashx?size=small&name=U&type=symbol)
![Blue](/Handlers/Image.ashx?size=small&name=U&type=symbol)
![Blue](/Handlers/Image.ashx?size=small&name=U&type=symbol)
. 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.