Viaz, Leader of Men

Other Humans you control get +2/+2
When you deal combat damage to a player with
this creature, you may pay{g}{r}{b}. If you do,
Replace this card with Viaz, Ruler of Tyrants
for the rest of the game.
If you control a non-Human creature with power
7 or greater, you may pay{w}{r}{g} and replace this
card with Viaz, King of Beast for the rest of the
game