The Four Headed One

Vigilance, Trample, Haste, Lifelink
When this creature is deal damage create that
many 2/1 Hounds with afflict 2 and frenzy 2
{1}{b}{b}, Sacrifice X Hounds: destroy target
creature with power X or less
{1}{g}{g}, Sacrifice X Hounds: destroy target enchantment with converted mana cost X.
{1}{w}{w}, Sacrifice X Hounds: you gain X life
{1}{r}{r}, Sacrifice X Hounds: this creature deals X damage to any target.