Minerac of the Burning Sands

{c}{r}{g}: Minerac of the Burning Sands gains +1/+1 for each desert you control.
Sacrifice a Desert: Until the end of this turn, Minerac of the burning sands gains hexproof.
{u}{g}: When Minerac of the Burning Sands deals combat damage to a player gain 1 life for each land in your graveyard.