Maze of Millennia

If your opponent controls 2 or more face-up monsters, except WIND monsters, those monsters cannot target this card for attacks. You can only use each of the following effects of Kaitoptera once per turn. During your Main Phase: You can add 1 Polymerization from your Deck to your hand. If this card is banished: You can Special Summon it, then you can add 1 Polymerization from your GY to your hand.

Kaitoptera + 1 Dinosaur or Dragon monster
This card can attack directly the turn it is Special Summoned. You can only use each of the following effects of Horned Saurus once per turn. If this card is Fusion Summoned: You can place 1 Field Spell from your Deck or GY face-up in your Field Zone. During your Main Phase, you can: Immediately after this effect resolves, Normal Summon 1 Dinosaur or Dragon monster.

Reign-Beaux, Overlord of Dark World + 2+ Fiend monsters
If this card is Fusion Summoned: You can destroy all cards your opponent controls. This card's original ATK/DEF each become the number of materials used for its Summon x 1000. Once per turn (Quick Effect): You can target 1 face-up card you control; discard 1 card, also your opponent cannot target that face-up card with card effects for the rest of this turn.

You can discard this card; add 1 Light Barrier from your Deck or GY to your hand. If this card is Summoned: Toss a coin and this card gains the appropriate effect.
* Heads: When an attack is declared involving this card: You can target 1 monster on the field; destroy it, and if you do, inflict 500 damage to its controller.
* Tails: If an attack is declared involving this card: Destroy all monsters on the field.

Add 1 Level 4 or lower Pyro monster from your Deck to your hand. You can only activate 1 Bonfire per turn.

1 Tuner + 1+ non-Tuner monsters
The first time this card would be destroyed by an opponent's card effect each turn, it is not destroyed. Once per turn, during your opponent's Battle Phase (Quick Effect): You can discard 1 card; this card gains ATK equal to half the total ATK of all other monsters you currently control, then place 1 counter on this card, also for the rest of this turn, your opponent's monsters cannot target monsters for attacks, except this one. If this card with a counter is destroyed by battle: Destroy all monsters you control.

If this card is Summoned: You can add 1 Equip Spell from your Deck to your hand, then if this card is in Attack Position, change it to Defense Position. You can only use this effect of Ashoka Pillar once per turn. If this card is destroyed by battle or card effect: Take 2000 damage.

If this card is Summoned: You can add 1 Triangle O from your Deck to your hand, then if this card is in Attack Position, change it to Defense Position. You can only use this effect of Cabrera Stone once per turn. If this card is destroyed by battle or card effect: Take 1000 damage.

If you control Crystal Skull, Ashoka Pillar, and Cabrera Stone: Destroy all cards on the field, also for the rest of this turn, your opponent takes any effect damage you would have taken instead. You can banish this card from your GY, then target 1 each of Crystal Skull, Ashoka Pillar, and Cabrera Stone in your GY; shuffle them into the Deck, then draw 3 cards. You can only use 1 Triangle O effect per turn, and only once that turn.

Your opponent cannot target Rock monsters you control with 0 original ATK, with card effects. Once per battle, when an opponent's monster declares an attack: You can negate that attack, and if you do, place 1 counter on this card. If this card has 3 counters, send it to the GY. If you have 3 or more Rock monsters in your GY with 0 ATK and different names from each other: You can banish this card from your GY; any effect damage your opponent takes this turn is doubled.

When a Level 6 or higher monster(s) is Normal or Special Summoned: Tribute 1 Level 10 Earthbound monster; destroy as many monsters your opponent controls as possible, and if you do, inflict damage to your opponent equal to the combined original ATK of those destroyed monster(s).

2+ Level 8 monsters
Once per turn, during your Standby Phase: You can attach 1 card from your opponent's GY to this card as material. You can only use each of the following effects of Number 1: Infection Buzzking once per turn. If this card is Xyz Summoned: You can look at your opponent's Extra Deck and send 1 card from it to the GY. You can detach 1 material from this card, then target 1 card your opponent controls; destroy it, then if you destroyed a face-up monster, inflict damage to your opponent equal to half the ATK it had on the field.