Dawn Evangel
Enchantment Creature — Human Cleric
Whenever a creature dies, if an Aura you control was attached to it, return target creature card with converted mana cost 2 or less from your graveyard to your hand.
Is there a greater promise than the glory of the sunrise?
Illustrated by
Theros Beyond Death#8UncommonEnglishLegality
Rulings
Dawn Evangel’s ability can target the card whose death caused the ability to trigger if that card’s converted mana cost is 2 or less.
Dawn Evangel’s ability triggers when any player’s creature dies, so long as that creature had an Aura you controlled attached to it.
If Dawn Evangel dies while enchanted by an Aura you control, its ability triggers.
If Dawn Evangel dies at the same time as another creature enchanted by an Aura you control, its ability triggers.
If a card in a graveyard has 
in its mana cost, X is considered to be 0.