The Dark Urge

When The Dark Urge enters create an enchantment named "In Bhaal's Name" with "If this enchantment reaches 10 counters you win the game" and "Whenever a legendary creature dies put a counter on In Bhaal's Name"
Whenever another creature dies put a +1+1 on The Dark Urge
When The Dark Urge has 10 or more counters on it you may transform it without paying it's mana cost
Transform: {5}{b}{r}{g}