Unchained Syncretism

Target 2 face-up monsters on the field, including an "Unchained Soul" Link Monster you control; immediately after this effect resolves, Link Summon 1 Fiend monster using only those 2 monsters. 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 "Unchained Syncretism" once per turn.