Wailing of the Unchained Souls

If you Link Summon an "Unchained" Link Monster: You can target 1 card on the field; destroy it. If this Set card is destroyed by card effect: You can Special Summon 1 "Unchained" monster from your Deck. You can only use each effect of "Wailing of the Unchained Souls" once per turn.

Continuous Spell Card spell