Vengeful Devil
Creature — Devil
Haste
Morbid — 
: This creature deals 1 damage to any target. Activate only if a creature died this turn.
Devils love adding injury to injury.
Jakub Kasper
Modern Horizons (MH1)
• #152Rulings
Vengeful Devil's ability can be activated even if a creature died only earlier in the turn before Vengeful Devil entered the battlefield.
(wotc • 2019-06-14)
Rulings
Vengeful Devil's ability can be activated even if a creature died only earlier in the turn before Vengeful Devil entered the battlefield.
(wotc • 2019-06-14)