Ancient Demon

When Ancient Demon is put into play, the {x} spent to cast Ancient Demon is the power/toughness of this creature.
Reach, Trample, Lifelink, Haste
Whenever a creature dies put a +1/+1 counter on Ancient demon
{t} create a 1/1 colorless demon
{w}{u}{b}{r}{g}{ut} create a 1/1 colorless demon