Gandalf the Grey

Hexproof
{2}{u}: Create a 2/2 dragon creature with flying &
haste. Sacrifice it at the end of the turn.
{2}{w}: Other creatures you control get +1+1 and
lifelink until the end of the turn.
{g}: Sacrifice Gandalf the Grey, other creatures
you control get hexproof and indestructible until the end of the turn.