Aarmadts, the Huntmaster

As an additional cost, you may tap X creatures. If you do, distribute a number of +1/+1 counters amongst any number of creatures you control equal to the total power of creatures tapped this way.
Hexproof, reach, trample
If Aarmadts, the Huntmaster would be put into the graveyard or exile from anywhere, shuffle Aarmadts, the Huntmaster and your graveyard and cards in exile into their owner's library.