Synex, The Creator

indestructible hexproof protection from instant and sorceries Dominance 10 (creatures with a casting cost less than this creature have -10/-0)
Dragons you control are immune to Dominance
spells you cost cost less {w}{u}{b}{r}{g} (counts for colorless mana to)
if you do you do create a 3/3 Dragon illusion with "{t} sacrifice put Synex, The Creator from anywhere to its owners hand"