Morph King Stygi-Gel

If this card is Normal or Special Summoned: You can target 1 other face-up monster on the field; you cannot Special Summon monsters from the Extra Deck, except Synchro Monsters, for the rest of this turn, also change this card's Level to the Level of that target, and if you do, gain LP equal to  that target's Level x 200. During your Main Phase: You can Special Summon 1 Fiend monster with a Level lower than this card from your hand. You can only use this effect of "Morph King Stygi-Gel" once per turn.