Pellum, Hunting Army Captain

Haste, trample, dragon slayer (If Pellum, Hunting Army Captain blocks or is blocked by a dragon, destroy that dragon.)
{2}{r}{t} Pellum, Hunting Army Captain deals X damage to target opponent, where X is the amount of beasts in target opponents graveyard.
{2}{g}{t} Untap up to five target lands.
The dragon burned nearly half my army, I WANT VENGEANCE!
—Pellum, Hunting Army Captain