mana-collector construct

Secluded (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).
each turn this card is secluded for it gains 1
insight counter, these counters are not lost when
going into or coming back from exile.
{t}, remove 2 insight counters: add {u}{u} to your
mana pool