Grumiat, Lord of Flight

Flying, Trample, Hexproof
All Dragons you control gain +2/+0
All creatures with Flying you control gain +1/+1
{x}{r}{t}: Create a X/X Dragon token with Flying
and haste, where X is mana paid. Sacrifice this creature at your end step.
{3}{w}{u}: Create a 3/2 Drake with Flying