The Slumbering Peak

{3}, {t}: You may discard a card. If you do, deal
damage to any target equal to its converted mana
cost, then draw a card.
{t}: add {r}{r}. Activate this ability only if you have
cards with total mana value 20 or more in your
graveyard
{5}: Until end of turn, The Slumbering Peak
becomes an 6/6 red Dragon creature with flying
and trample.
The slumbering peaks can be your commander.