Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Haste (This creature can attack and as soon as it comes under your control.)

At the beginning of the end step, sacrifice this creature.

Island Fish Jasconius doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . 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.