Duelist Nexus

If a Fiend monster(s) other than Diabolica the Draconique General is sent to your GY by card effect: You can Special Summon this card from your GY (if it was there when they were sent) or hand (even if not), but banish it when it leaves the field. If this card is sent to the GY by card effect: You can target 1 Fiend monster in your GY, except Diabolica, Dragon Fiend Commander; add it to your hand. You can only use 1 Diabolica the Draconique General effect per turn, and only once that turn.

If this card is Normal or Special Summoned: You can add 1 face-up Machine Pendulum Monster from your Extra Deck to your hand. If you have no Spells/Traps in your GY: You can Tribute this card; Special Summon 1 EARTH Machine monster with 1500 or less ATK from your hand or GY, except Superheavy Samurai Security. You can only use each effect of Superheavy Samurai Security once per turn.

FLIP: You can target 1 Spell in your GY; add it to your hand, then, you can Special Summon 1 Magician of Faith or Magician of Faithfulness from your Deck in face-down Defense Position.
You can only use this effect of Magician of Faithfulness once per turn.

2 Level 8 monsters
Once per turn, when a Normal Monster or a Magikey monster you control destroys an opponent's monster by battle: You can detach 1 material from this card; inflict damage to your opponent equal to the original ATK of the destroyed monster. Once during your opponent's Main Phase: You can target 1 monster your opponent controls that has the same Attribute as a Normal Monster or a Magikey monster you control or in your GY; detach 1 material from this card, and if you do, banish the target.