island fish jasconius doesn't untap during your untap step.
at the beginning of your upkeep, you may pay uuu. 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.
"How smooth his face, how sure his thoughts. I look forward to breaking his mighty will." —The Eastern Paladin