This is the situation.
I have 3 creatures on the battlefield, I sacrifice them with dread return's flashback (while I have 2 bridge from below on the graveyard), to return flayer of the hatebound to the battlefield.
What would appear?
1.The zombies first, then flayer of the hatebound. (no damage triggered from zombies)
2.Flayer of the hatebound first, then the zombies (dealing damage per zombie)
1 or 2?