Ebon Sun - Battles of Legend: Terminal Revenge (BLTR)

If a face-up monster(s) you control is destroyed by battle or card effect: You can gain LP equal to their combined original ATK. If a monster(s) is Special Summoned face-up from your GY (except during the Damage Step): You can target 1 of them; it gains 1000 ATK. If a Spell/Trap(s) is discarded from your hand to your GY (except during the Damage Step): You can target 1 of them; add it to your hand. You can only use each effect of "Ebon Sun" once per turn.