Rounding beast

The Rounding beast enter with {x}
counters +2/+2 where X each
mana used to cast this spell
{t} Discard 20 cards, you win 3 lives for
creature in the garveyard and you
shuffle your garveyard in your library.
{g} The target player discard 25 cards and
exile 10 of the garveyard then,
shuffle the garveyard in the library.