solitude keeper

Seclude (during your end step you may choose
to exile this card face down under an island, if its
the only creature under that island than its
"secluded." at your upkeep step you may choose
to put this card back into play, it gains haste).
this creature can be secluded on the same island
as another creature, and both still count as
secluded.
at each of your upkeeps put a +1/+1 counter on
any creature this creature is secluded with.