Alatreon

Flying
Whenever Alatreon attacks roll a d20 and
pay the mana cost. If you cannot pay the
mana cost Alatreon takes 5 damage.
•1-4 | {1}{w} You gain 3 life
•5-8 | {2}{u} All opponents discard a card.
•9-12 | {3}{b} Destroy target creature.
{bull}13-16 | {4}{r} Deal 6 damage to all opponents.
{bull}17-20 | {5}{g} Untap all lands you control. You
may play an additional land this turn.