Baby Penguins

When penguin group enters the battlefield,
create 2 1/1 penguin creature tokens.
{t}: target opponent sacrifices an island.
If they can't, then you create a 1/1 penguin
creature token
{u}{u}{u}{u}{u}{w}{w}{w}{w}: you win the game
if you control five 1/1 penguin creature tokens
{ut}: you lose 2 life