The Upper Dragon (V2)

Indestructible
{p/w}{p/w}{t}: X Dragons gains protection from
all colors until end of turn
{p/u}{p/u}{t}: Draw X cards
{p/b}{p/b}{t}: Destroy X non-Dragons
{p/r}{p/r}{t}: Deal X damage to any target
{p/g}{p/g}{t}: X Dragons gains trample until
end of turn
(X is the number of dragons you control)