Living Island

Living island enters the battlefield tapped.
As an additional cost to cast Living Island,
sacrifice an Island.
(Living Island isnt a spell, its affected by summoning sickness, and it has {t}: Add {u}.)
Living Island is blue.
Living Islands power and toughness are equal
to how many Islands you control.
Whenever you cast an island spell, sacrifice it and
create a token thats a copy of Living Island