Kos, Gift of Parasites

Foreshadow {b}{4} (Creatures with Foreshadow
cannot be played or cast. You may pay their
Foreshadow cost to put them into exile from your hand.)
As long as Kos, Gift of Parasites is in exile, at the beginning of your upkeep put a parasite counter
on target creature you control.
Creatures you control get +1/+1 for each parasite counter on them.
When a Hunter you control is put into the
graveyard from the battlefield, you may put Kos,
Gift of Parasites into play from exile.