Thunderbringer

{1}{u}{r}, {t}: Deal 1 damage to upto 3 target
creatures or planeswalkers.
{1}{u}{u}{r}{r}, {t}: Deal 3 damage to target
creature or planeswalkers. Activate this
ability only any time you could cast a sorcery.
{x}{u}{u}{u}{r}{r}{r}, {t}: Deal X damage to all
creatures and planeswalkers controlled by enemy players. Activate this ability only any time you
could cast a sorcery.