You can only use the (1) and (2) effects of this card’s name once per turn.
(1) If you Special Summon exactly 1 Ritual Monster with the effect of a Spell Card: You can look at either Extra Deck, and send 1 monster from there to the GY.
(2) If you Special Summon exactly 1 Fusion Monster with the effect of a Spell Card: You can target that monster; until the end of the turn, that monster gains ATK equal to its original ATK but it cannot attack, except to attack Attack Position monsters your opponent controls.