Duelist Nexus

1 monster Special Summoned from the Extra Deck + 1 monster in the hand
You can target 1 Polymerization Spell or Fusion Spell in your GY; place it on the bottom of the Deck, then draw 1 card. When another card's effect is activated (Quick Effect): You can banish 1 Polymerization Spell or Fusion Spell from your GY, then target 1 card on the field; destroy it. You can only use each effect of Magnum the Reliever once per turn.

1 Tuner Synchro Monster + 2+ non-Tuner Synchro Monsters
Must first be Synchro Summoned with the above materials. Once per turn: You can target face-up cards on the field, up to the number of monsters used as Synchro Material for this card +1; negate their effects. This effect's activation and effect cannot be negated. (Quick Effect): You can banish this Synchro Summoned card; Special Summon 1 Dragon Synchro Monster from your Extra Deck that requires 2+ non-Tuner Synchro Monsters as material. (This is treated as a Synchro Summon.)

1 Tuner + 1+ non-Tuner monsters
If this card is Special Summoned: You can add 1 Spell/Trap that mentions Crimson Dragon from your Deck to your hand. (Quick Effect): You can target 1 Level 7 or higher Synchro Monster on the field, except Crimson Dragon; return this card to the Extra Deck, and if you do, Special Summon 1 Dragon Synchro Monster from your Extra Deck with the same Level as the targeted monster. (This is treated as a Synchro Summon.) You can only use each effect of Crimson Dragon once per turn.

1+ Tuners + 1 LIGHT monster
This card's name becomes Visas Starfrost while in the Monster Zone. You can only use each of the following effects of Visas Amritara once per turn. If this card is Synchro Summoned: You can add 1 Spell/Trap that mentions Visas Starfrost from your Deck to your hand. During your Main Phase: You can destroy 1 monster you control, also, for the rest of this turn, all Synchro Monsters you control will gain 800 ATK.

1 Tuner + 1+ non-Tuner monsters
If this card is Special Summoned: You can add 1 card that mentions Infernoble Knight Emperor Charles or 1 Horn of Olifant from your Deck to your hand. When a card or effect is activated that targets this card, or when this card is targeted for an attack (Quick Effect): You can send 1 FIRE Warrior monster from your Deck to the GY, and if you do, banish this card (until the End Phase), then you can Special Summon 1 Roland monster from your Deck or Extra Deck. You can only use each effect of Angelica, Princess of Noble Arms once per turn.

Cannot be Synchro Summoned. Must be Special Summoned (from your Extra Deck) by sending 2 monsters you control with a Level difference of 1 to the GY (1 Tuner and 1 non-Tuner). You can Tribute 1 Level 8 Ursarctic monster from your hand or field and this card; Special Summon 1 Level 7 Ursarctic Synchro Monster from your Extra Deck, ignoring its Summoning conditions, and if you do, it gains this effect.
? Your opponent cannot activate the effects of monsters Special Summoned from the Extra Deck that have a Level.

1 Tuner + 1+ non-Tuner monsters
When this attacking card destroys an opponent's monster by battle: You can activate this effect; this card can make a second attack in a row. At the end of the Battle Phase: You can target FIRE monsters in your GY up to the number of monsters this card destroyed by battle this turn; add them to your hand.

2 Level 6 monsters
Your opponent cannot target this card with material with monster effects. When your opponent activates a card or effect (Quick Effect): You can detach 2 materials from this card, then target 1 face-up card your opponent controls; negate its effects until the end of this turn. If all materials attached to this card are Reptile and/or Dinosaur monsters, you can activate this effect by detaching 1 material, instead of 2.

2 Level 2 monsters
Once per turn: You can discard 1 card, then target 1 card your opponent controls (or up to 2 if this card has Purrely Sleepy Memory as material); return it to the hand. Up to thrice per turn, when you activate a Purrely Quick-Play Spell Card (Quick Effect): You can attach that card on the field to this card as material, then you can Set 1 Purrely Trap directly from your Deck.

2 Level 8 monsters
Each time your opponent activates a Trap Card or effect, or a monster effect, place 1 Spell Counter on this card when it resolves (max. 9). You can remove 3 Spell Counters from this card; apply 1 of these effects.
? Add 1 Spell or 1 Spellcaster Effect Monster from your Deck to your hand.
? Special Summon 1 Spellcaster monster from your hand or Deck.
You can only use this effect of Thelematech Clatis once per turn. If this card would be destroyed, you can detach 1 material from it instead.

2 Level 4 monsters
When your Dinosaur monster destroys an opponent's monster by battle and sends it to the GY: You can detach 1 material from this card; inflict 1000 damage to your opponent, then this card gains 1000 ATK. If this Xyz Summoned card is destroyed: You can target 1 card on the field; destroy it, and if you do, inflict 1000 damage to your opponent. You can only use this effect of Grenosaurus Giga-Cannon once per turn.

2+ Altergeist monsters
If this card is Link Summoned: You can Set 1 Altergeist Trap directly from your Deck. Once while face-up on the field, during the Main Phase (Quick Effect): You can send 1 card you control to the GY, then target 1 Effect Monster your opponent controls; take control of it, and if you do, it is also treated as an Altergeist monster. You can only use each effect of Altergeist Adminia once per turn.