Unchained Soul of Sharvara - Duelist Nexus (DUNE)

During the Main Phase, if this card is in your hand (Quick Effect): You can target 1 Fiend monster or 1 face-down card you control; destroy it, and if you do, Special Summon this card, but while it is face-up in the Monster Zone, you cannot Special Summon monsters, except Fiend monsters. If this card is sent to the GY: You can Set 1 "Unchained" Spell/Trap directly from your Deck. You can only use each effect of "Unchained Soul of Sharvara" once per turn.