Quarter Century Bonanza

If this card is used for the Xyz Summon of a "Number" monster, it can be treated as a Level 3 or 4 monster. If all monsters you control are WATER (min. 1): You can Special Summon this card from your hand, and if you do, add 1 Level 3, 4, or 5 Fish monster from your Deck to your hand, except "Abyss Shark". For the rest of this turn, you cannot Special Summon monsters, except WATER monsters, also, double the first battle damage inflicted to your opponent this turn by your "Number" monster battling another monster. You can only use this effect of "Abyss Shark" once per turn.

Abyss Shark

Draw 2 cards, then banish 1 DARK monster from your hand, or, if you do not have any in your hand, send your entire hand to the GY.

Allure of Darkness

1 Tuner + 1+ non-Tuner monsters
At the start of the Damage Step, if this card battles a face-up non-DARK monster: Destroy that monster.

Ally of Justice Catastor

You must have this many "Crystal Beast" cards in your Spell & Trap Card Zone to activate and to resolve these effects. ● 1+: This card cannot be destroyed by card effects. ● 2+: Once per turn (including the opponent's) you can halve the Battle Damage you take. ● 3+: During either player's turn, when a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the Graveyard; negate the activation, and if you do, destroy it. ● 4+: Once per turn, during your Main Phase: You can draw 1 card. ● 5: Once per turn, during your Main Phase: You can target 1 "Crystal Beast" card in your Spell & Trap Card Zone; Special Summon that target.

Ancient City - Rainbow Ruins

2 EARTH Machine monsters
If this card is Link Summoned: You can add 1 "Ancient Gear" monster or 1 "Geartown" from your Deck to your hand. You can target 1 Spell/Trap you control and 1 face-up monster your opponent controls; destroy that card you control, and if you do, change that opponent's monster's ATK/DEF to 0 until the end of the turn. You can only use each effect of "Ancient Gear Ballista" once per turn.

Ancient Gear Ballista

During the turn they were Normal or Special Summoned, your opponent cannot target "Ancient Gear" monsters you control with card effects, and they cannot be destroyed by your opponent's card effects. Your opponent cannot activate cards or effects in response to the activation of "Ancient Gear" cards and effects. If this card is destroyed in the Spell & Trap Zone: You can Special Summon 1 "Ancient Gear" monster from your hand or Graveyard, also you cannot Special Summon monsters for the rest of this turn, except "Ancient Gear" monsters.

Ancient Gear Fortress

Cannot be Special Summoned. If this card attacks, your opponent cannot activate any Spell/Trap Cards until the end of the Damage Step. If this card attacks a Defense Position monster, inflict piercing battle damage.

Ancient Gear Golem

2 "Ancient Gear" monsters
Unaffected by other cards' effects. During your Main Phase: You can inflict 1000 damage to your opponent. You can only use this effect of "Ancient Gear Howitzer" once per turn. If this card is destroyed by battle and sent to the Graveyard: You can Special Summon 1 "Ancient Gear" monster from your Deck, ignoring its Summoning conditions.

Ancient Gear Howitzer

At the start of the Battle Phase: For the rest of this turn after this card resolves, Spell/Trap Cards, and their effects, cannot be activated. Cards and effects cannot be activated in response to this card's activation.

Anti-Magic Arrows

If this card is Summoned: Target 1 face-up card on the field that you can place a Spell Counter on; place 1 Spell Counter on that target. If this card is destroyed by battle: You can Special Summon 1 Level 2 or lower Spellcaster monster from your Deck in face-down Defense Position.

Apprentice Magician

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 monsters with different Attributes from your GY and/or face-up field. Cannot be destroyed by card effects. You can declare 1 monster Attribute on the field; destroy all monsters on the field with that Attribute, also until the end of the next turn, neither player can Special Summon monsters with that Attribute. You can only use this effect of "Archnemeses Protos" once per turn.

Archnemeses Protos

When this card is Summoned: You can send 1 DARK monster from your Deck to the GY.

Armageddon Knight

1 Tuner + 1 or more non-Tuner monsters
Once per turn, you can either: Target 1 monster on the field; equip this card to that target, OR: Unequip this card and Special Summon it in Attack Position. While equipped by this effect, that target gains 1000 ATK. If that target destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.

Armory Arm

All Level 3 or lower Sea Serpent-Type monsters you control can attack your opponent directly. When this card is sent to the Graveyard to activate a WATER monster's effect: Add 1 Sea Serpent-Type monster from your Deck to your hand, except "Atlantean Dragoons".

Atlantean Dragoons

Once per turn: You can banish up to 3 monsters from your Graveyard; this card gains 300 ATK for each, until the end of your opponent's turn.

Bazoo the Soul-Eater

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your GY. Once per turn, you can activate 1 of these effects.
● Target 1 monster on the field; banish it. This card cannot attack the turn this effect is activated.
● If this attacking card destroys an opponent's monster by battle: It can make a second attack in a row.

Black Luster Soldier - Envoy of the Beginning

1 Tuner + 1 or more non-Tuner monsters
If this card is Special Summoned, or a Level 5 or higher monster(s) is Special Summoned to your opponent's side of the field: Target 1 Special Summoned monster your opponent controls; return that target to the hand. You can only use this effect of "Black Rose Moonlight Dragon" once per turn.

Black Rose Moonlight Dragon

When a "Blackwing" monster is Normal Summoned to your field: You can add 1 "Blackwing" monster from your Deck to your hand with less ATK than that monster.

Black Whirlwind

If you control a "Blackwing" monster other than "Blackwing - Gale the Whirlwind", you can Special Summon this card (from your hand). Once per turn: You can target 1 face-up monster your opponent controls; that target's ATK and DEF become half its current ATK and DEF.

Blackwing - Gale the Whirlwind

During either player's Damage Step, when a "Blackwing" monster you control is attacking or being attacked: You can send this card from your hand to the Graveyard; that monster gains 1400 ATK until the end of this turn.

Blackwing - Kalut the Moon Shadow

This face-up card on the field cannot be used as a Synchro Material. If this card is in the Graveyard: You can target 1 non-Tuner "Blackwing" monster in your Graveyard; banish both this card and that target, and if you do, Special Summon 1 "Blackwing" Synchro Monster from your Extra Deck whose Level equals the total Levels of the banished monsters, but its effects are negated.

Blackwing - Vayu the Emblem of Honor

If this card is in your hand or Graveyard: You can banish a total of 2 FIRE and/or Dragon-Type monsters from your hand and/or Graveyard, except this card; Special Summon this card. During your opponent's End Phase, if this card was Special Summoned: Return it to the hand. You can discard this card and 1 FIRE monster to the Graveyard, then target 1 card on the field; destroy that target. If this card is banished: You can add 1 FIRE Dragon-Type monster from your Deck to your hand. You can only use 1 "Blaster, Dragon Ruler of Infernos" effect per turn, and only once that turn.

Blaster, Dragon Ruler of Infernos

Once per turn: You can target 1 card your opponent controls; toss a coin 3 times and destroy that target if at least 2 of the results are heads.

Blowback Dragon

"Blue-Eyes White Dragon" + "Blue-Eyes White Dragon" + "Blue-Eyes White Dragon"

Blue-Eyes Ultimate Dragon

This legendary dragon is a powerful engine of destruction. Virtually invincible, very few have faced this awesome creature and lived to tell the tale.