Kaltheon, The Shadow Corrupter

When Kaltheon, The Shadow Corrupter is cast,
you may draw a card from an opponent's library
and play it under your control without paying the
mana cost.
Trample, Reach
When Kaltheon, The Shadow Corrupter exits the battlefield,
you may return it to the battlefield with -1/-1 counters
equal to the number of times it exited.