Unchained Soul Lord of Yama

“2 Fiend monsters If this card is Special Summoned: You can add 1 "Unchained" monster from your Deck or GY to your hand. If a card(s) you control is destroyed by battle or card effect, while this card is in your GY: You can banish this card; Special Summon 1 Fiend monster from your hand or GY, then you can destroy 1 card you control. You can only use each effect of "Unchained Soul Lord of Yama" once per turn.”