Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of combat.

Flying
: Regenerate this creature.

Destroy target creature or land. It can't be regenerated.

This creature can't attack unless defending player controls an Island.
Whenever this creature blocks or becomes blocked by a creature that has been dealt damage this turn, this creature gets +2/+0 and gains trample until end of turn.
When you control no Islands, sacrifice this creature.