Goober's Atomic 'Lamp'

{t}, Pay 1 life: Add {b} or {r}.
{1}{b}{r}, {t}: Atomic 'Lamp' deals 1 damage
to each opponent.
{5}{b}{r}, {t}, Sacrifice Atomic 'Lamp' and a legendary artifact: Choose up to two creatures, then destroy the rest.
Activate only as a sorcery.
"Atomicolicious!" —Goober, Mayor'23