Arkala's Blood-Lit Night

(You may cast a legendary sorcery only if you control
a legendary creature or planeswalker.)
Ambiguous {b/r} —
•{b}-Return up to three target creatures from
your graveyard to the battlefield.
•{r}-Deal 1 damage to each opponent for each creature on the battlefield.
Arkala had warned them all: "Anger begets death."