Quarter Century Bonanza

You can discard Machine monster(s) whose total Levels equal 8 or more, then Special Summon this card (from your hand or GY). If this card is destroyed by battle and sent to the GY: Target 1 card your opponent controls; destroy that target. Before resolving an opponent's monster effect that targets this face-up card, look at your opponent's hand and discard 1 card from their hand.

Machina Fortress

When this card is Normal Summoned: You can add 1 "Machina" monster from your Deck to your hand, except "Machina Gearframe". Once per turn, you can either: Target 1 Machine monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Machina Gearframe

2022 Tin of the Pharaoh's Gods

Cannot be Normal Summoned/Set. Must be Special Summoned (from your GY) by banishing Machine monsters from your GY whose total Levels equal 12 or more. When your opponent activates a card or effect during the Battle Phase (Quick Effect): You can pay half your LP; negate that activation, and if you do, halve your opponent's LP. If this card is destroyed by battle or card effect: You can Special Summon up to 3 of your banished "Machina" monsters, whose total Levels equal 12 or less. You can only use each effect of "Machina Ruinforce" once per turn.

Machina Ruinforce

If this card is added to your hand, except by drawing it: You can Special Summon it, also you cannot Special Summon for the rest of this turn, except Machine monsters. If this card is Normal or Special Summoned: You can send 1 "Machina" monster from your Deck to the GY, except "Machina Unclaspare". You can only use each effect of "Machina Unclaspare" once per turn.

Machina Unclaspare

2021 Tin of Ancient Battles

If you control no face-up cards, you can Normal Summon this card without Tributing, but its original ATK becomes 1800. If this card is Normal or Special Summoned: You can reveal 3 EARTH Machine monsters from your Deck, then your opponent randomly adds 1 of them to your hand, and you shuffle the rest back into your Deck. You can only use this effect of "Machina Metalcruncher" once per turn.

Machina Metalcruncher

Speed Duel: Battle City Box

When this card on the field is destroyed and sent to the GY: You can add 1 Union monster from your Deck to your hand. Once per turn, you can either: Target 1 Machine monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Machina Peacekeeper

Rise of the Duelist

(Quick Effect): You can send this card from your hand or field to the GY, then target 1 "Machina" monster you control; it gains 1200 ATK until the end of this turn. When your "Machina" monster destroys an opponent's monster by battle, while this card is in your GY: You can add this card to your hand. You can only use each effect of "Machina Resavenger" once per turn.

Machina Resavenger

Once per turn, you can either: Target 1 face-up monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead. If this card is destroyed and sent to the GY while equipped to a monster: You can Special Summon this card. You can only use this effect of "Unauthorized Bootup Device" once per turn.

Unauthorized Bootup Device

Structure Deck: Mechanized Madness

You can send 1 face-up "Machina Soldier", "Machina Sniper", and "Machina Defender" you control to the GY; Special Summon 1 "Machina Force" from your hand or Deck.

Commander Covington

You can discard 1 other "Machina" monster; Special Summon this card from your hand. During your opponent's turn (Quick Effect): You can target 1 Machine monster you control; Special Summon from your Deck, 1 "Machina" monster with a different name and an equal or lower Level than that monster, and if you do, destroy that targeted monster. You can only use each effect of "Machina Air Raider" once per turn.

Machina Air Raider

Once per turn, when a Machine monster is destroyed by battle and sent to your GY: You can Special Summon 1 Machine monster from your Deck that has the same Attribute and less ATK than that destroyed monster in the GY.

Machina Armored Unit

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by sending 1 or more other Machine monsters from your hand to the GY. Gains 800 ATK for each monster sent to the GY for this Special Summon.

Machina Cannon

Cannot be Normal Summoned/Set. Must be Special Summoned by a card effect. (Quick Effect): You can target 1 Machine monster you control; destroy that Machine monster and all monsters your opponent controls with ATK less than or equal to it. If a face-up EARTH Machine monster(s) you control, except "Machina Citadel", is destroyed by battle or card effect while this card is in your GY: You can Special Summon this card. You can only use each effect of "Machina Citadel" once per turn.

Machina Citadel

FLIP: Add 1 "Commander Covington" from your Deck to your hand.

Machina Defender

While you control a Level 7 or higher Machine monster, your opponent's monsters cannot target Level 6 or lower Machine monsters you control for attacks, also your opponent cannot target them with card effects. If a face-up Machine monster(s) you control is destroyed by battle or card effect: You can target 1 Machine monster in your GY; add it to your hand. You can only use this effect of "Machina Defense Perimeter" once per turn.

Machina Defense Perimeter

Cannot be Normal Summoned/Set. Must be Special Summoned by "Commander Covington". You must pay 1000 LP to declare an attack with this card. You can send this card you control to the GY, then target 1 "Machina Soldier", "Machina Sniper", and "Machina Defender" in your GY; Special Summon those targets.

Machina Force

You can discard 1 other "Machina" monster; Special Summon this card from your hand. You can target 1 Machine monster you control; Special Summon from your GY, 1 "Machina" monster with a different name and an equal or lower Level than that monster, and if you do, destroy that targeted monster. You can only use each effect of "Machina Irradiator" once per turn.

Machina Irradiator

You can Tribute this card; Special Summon 1 "Machina" monster from your hand or Deck, except "Machina Megaform". If a face-up "Machina Fortress" you control is sent to your GY while this card is in your GY (except during the Damage Step): You can banish that "Machina Fortress" from the GY; Special Summon this card. You can only use 1 "Machina Megaform" effect per turn, and only once that turn.

Machina Megaform

Target 1 Machine monster you control; Special Summon 1 "Machina" monster with a different name from your hand or Deck, and if you do, destroy that targeted monster. You can banish this card from your GY, then target 3 of your Machine monsters that are banished and/or in your GY; shuffle them into your Deck, then draw 1 card. You can only use 1 "Machina Overdrive" effect per turn, and only once that turn.

Machina Overdrive

If this card is Normal or Special Summoned: You can target 1 "Machina" monster in your GY, except "Machina Possesstorage"; Special Summon it in Defense Position, but it cannot activate its effects this turn. You can target 1 other "Machina" monster you control and 1 Spell/Trap your opponent controls; return them to the hand. You can only use each effect of "Machina Possesstorage" once per turn.

Machina Possesstorage

Activate 1 of these effects.
● Discard 1 card; add 2 "Machina" monsters with different names from each other from your Deck to your hand.
● Discard 1 "Machina" card; add 2 "Machina" cards with different names from each other from your Deck to your hand, except "Machina Redeployment".
You can only activate 1 "Machina Redeployment" per turn.

Machina Redeployment

Monsters cannot attack "Machina" monsters, except "Machina Sniper".

Machina Sniper

When this card is Normal Summoned while you control no other monsters: You can Special Summon 1 "Machina" monster from your hand, except "Machina Soldier".

Machina Soldier

Target 1 Machine monster you control; equip 1 appropriate Machine Union monster from your hand or Deck to that monster, but the Union monster you equipped cannot be Special Summoned this turn. You can only activate 1 "Unauthorized Reactivation" per turn.