Diablos The Horned Wyvern

Trample Moutainwalk protection from Red
{w}{w}{t}Dig:Remove Diablos The Horned Wyvern from the game until your next Combat phase
{2}{w}{w}{w}Sand attack: Return Diablos The Horned Wyvern to the battelfield and deal 4 damage to target creature(Use this ability only if you have done the "Dig" ability)