Coiling Constrictor

Creatures you control get islandwalk and
forestwalk.
Creatures you control get +1/+1 for each island
and forest all players control.
Whenever a creature you own dies you may
pay {2}{b} if you do return it to the battlefield
under your control. It gains trample, flying, and
haste. Sacrifice it at the beginning of your next
end step.