Once per turn: You can target 1 face-up monster you control; move that monster you control to another of your Main Monster Zones. When your opponent activates a Spell/Trap Card, while you control 3 or more "Elfnote" monsters: You can negate that effect, then if you control a Synchro Monster, you can destroy that card. You can only use this effect of "Elfnotes: Aristeia of Trust" once per turn. You cannot activate these effects of "Elfnotes: Aristeia of Trust" in the same Chain.
The monster in your center Main Monster Zone cannot be banished by your opponent's card effects. You can send 1 other Spell/Trap from your hand or field to the GY and declare a Level from 1 to 4; Special Summon 1 "Elfnote Seraphim Token" (Plant/Tuner/FIRE/ATK 0/DEF 0) with the declared Level, but while that Token is in the Monster Zone, the player who Summoned it cannot Special Summon from the Extra Deck, except "Elfnote" monsters. You can only use this effect of "Elfnotes: Quatrain of Succession" once per turn.
While you control a monster in your center Main Monster Zone, your opponent's monsters cannot attack, except to attack that monster. You can send 1 monster from your hand or field to the GY, then target 1 "Elfnote" monster in your GY with a different original Attribute; Special Summon it, then if you control a Synchro Monster, you can negate the effects of 1 face-up card your opponent controls until the end of this turn. You can only use this effect of "Elfnotes: Rhapsodia of Madness" once per turn.