Vanessa the Smasher

Haste, Trample, Deathtouch
When Vanessa enters the battlefield, RUFFF
(destroy all opponent's creatures).
When Vanessa leaves the battlefield, AUF
(you gain 10 life).Shuffle it into your library.
{6}{g}{r} Monstrosity 3 (If this creature isn't monstrous, put 3 +1/+1 counters on it.)
As long as Vanessa is monstrous, it blocks an additional ninety-nine creatures each combat.
Smash!Smash!Smash!