Phaelius, Wave-caster

{u}{u}: Your untapped islands may attack or block
this turn as if they were 2/4 creatures. If they die
in combat, return them to play tapped under
your control at the end of turn.
{2}{u}{b}: Destroy a blue creature with power less
than or equal to the number of islands in play.
{t}: You may tap opponents' untapped islands for
mana this turn.