Nebula Sorceress

{u}, {t}: Deal 4 damage to up to 2 target creatures.
- Last Prism -
{u}{u}{u}{u}, {t}: Deal 10 damage to up to 5 target creatures. Nebula Sorceress does not untap during its controller's next untap step, and cannot activate this ability again for 4 turns.
"Your mind goes numb..."