Karfar, Bounty Hunter

When Karfar enters the battlefield put 2 +1/+1 counter on him for each {g}{g} spent to cast him,
two 1/1 white soldier token for each {w}{w}, he
deals two damage to any target for each {r}{r},
returns a creature to its owners hand for each {u}{u}, returns a creature from your graveyard to
the top of your library for each {b}{b}, he untaps a permanent you control for every {c}{c}, and if you
payed {w}{u}{b}{r}{g} to cast him all of these affects triggers once.
The price is Right!