The DD-X

Summary
The DD-X is a Duel Disk used by Yuna Ishida.

Cards
The DD-X uses Yuna's "Skell" Archetype deck:

Monsters:

Skell: Human Model (2 copies)

Level: 6

Attribute: LIGHT

Atk: 2600 Def: 2000

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell: Prone Model (2 copies)

Level: 7

Attribute: DARK

Atk: 2800 Def: 1200

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell: Wrothian Model (2 copies)

Level: 7

Attribute: EARTH

Atk: 2600 Def: 2000

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell: Nopon Model (2 copies)

Level: 5

Attribute: Wind

Atk: 2500 Def: 2200

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell: Orphean Model (2 copies)

Level: 5

Attribute: LIGHT

Atk: 2200 Def: 2200

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell: Ma-non Model (2 copies)

Level: 8

Attribute: LIGHT

Atk: 3000 Def: 500

[Machine/Effect]

If you control no "Skell" monster card on your side of the field, you can special summon this card in face-up attack position. When this card is summoned, place 3 Fuel counters on this card. If this card attacks or is attacked, remove 1 fuel counter from this card. During the end phase of any turn, If this card has no Fuel counters on it, shuffle it into the deck, then special summon any "Skell Pilot" card that is equipped to this card. This card's ATK and DEF become 0, and it cannot attack, unless a "Skell Pilot" card has been equipped to this card.

Skell Pilot: Ga Jiarg (2 copies)

Level: 4

Attribute: EARTH

Atk: 1900 Def: 200

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Wrothian Model", It gains the following effect:

-Neither player can activate card effects when this card attacks and during the damage step.

If this card is destroyed by battle: Target the monster that destroyed this card. If you do, banish this card and destroy the target.

Skell Pilot: Lin (2 copies)

Level: 3

Attribute: FIRE

Atk: 300 Def: 1900

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Human Model", It gains the following effect:

-Once per turn, you can discard 1 card, and place one Fuel counter on any "Skell:" Monster on the field.

If the equipped "Skell:" Monster would be destroyed, you can banish it and this card. If you do, during your next standby phase: Special summon both cards banished by this effect, if there are two unoccupied monster card zones on your side of the field. If not, move both of these cards to the graveyard.

Skell Pilot: Goetia (2 copies)

Level: 4

Attribute: DARK

Atk: 1600 Def: 1500

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Prone Model", It gains the following effect:

-If this card attacks a Warrior type monster, this card gains 500 atk.

Once per turn: You can tribute 1 monster on your side of the field; Gain 600 LP.

Skell Pilot: Kun'Luarb (2 copies)

Level: 2

Attribute: EARTH

Atk: 0 Def: 500

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Orphean Model", It gains the following effect:

-This card cannot attack monster cards. Once per turn, during the battle phase: This card can declare an attack on a card in the S/T zone. If you do, skip the damage step and destroy it.

This card cannot attack or be targeted for an attack while face-up (Attacks declared on this card when this card is face-down are conducted normally).

Skell Pilot: Tatsu (2 copies)

Level: 1

Attribute: WIND

Atk: 100 Def: 200

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Nopon Model", It gains the following effect:

-If this card is attacked, you can roll a die. If the result is a 1: Banish this card. If the result is a 5 or 6: Negate the attack. If the result is a 2, 3, or 4: Conduct battle normally.

If this card is sent to the graveyard or destroyed by card effect: Target the card that triggered this effect. If you do, banish this card, and banish all cards with the same name as the target from both player's decks, graveyards, hands, extra decks and sides of the field.

Skell Pilot: Jajanni (2 copies)

Level: 2

Type: EARTH

Atk: 300 Def: 500

[Warrior/Effect]

Once per turn, you can target one "Skell:" monster card, and equip this card to the target. If this card is equipped to "Skell: Ma-non Model", It gains the following effect:

-You can remove one Fuel counter from this card; inflict 700 points of damage to your opponent's LP.

If this card is destroyed by battle or card effect: Banish this card. Then, add one "Skell" card from your deck to your hand.

Marshmallon (3 copies) (This card already exists so i wont put its effect and everything)

~

Spell cards:

Flight Module (2 copies)

Type: Equip

This card can only be equipped to a "Skell:" monster. The equipped monster can attack your opponent's LP directly, but the damage is halved.

Miranium Probe (1 copy)

Type: Continuous

Pay 400 LP for each of your standby phases, or destroy this card. Once per turn, you can place one Fuel counter to a face-up "Skell:" monster card. Your opponent can pay 1000 LP during their Main Phase to destroy this card.

FrontierNav (1 copy)

Type: Normal

Only activate this card if you control one or more face-up "Miranium Probe" spell cards. Target a number of face-down cards your opponent controls, up to the number of face-up "Miranium Probe" cards you control. Reveal the targets.

Refuel (3 copies)

Type: Normal

Add 2 Fuel counters to any "Skell:" monster on the field.

Lifehold (2 copies)

Type: Normal

Target 2 "Skell Pilot" cards, either banished or in the Graveyard; add them to your hand.

Skell Repair Hangar (3 copies)

Type: Field

Once per turn, you can pay 500 LP, then target 1 "Skell:" monster in your Graveyard; add the target to your hand. If this card is destroyed by card effect: Special summon one "Skell:" and one "Skell Pilot" Card from your hand, graveyard or deck, if you can.

Mystical Space Typhoon (3 copies)

Limiter Removal (1 copy)

Reinforcements of the Army (2 copies)

Stray Lambs (3 copies)

United we Stand (1 copy)

~

Trap Cards:

Trojan Skell (1 copy)

Type: Normal

This card can only be activated during it's controller's second main phase. Special Summon 1 Skell Token (Attribute: EARTH Level: 6 Type: Machine Atk: 2000 Def: 1000) to your opponent's side of the field, with the following effect:

-This card cannot be used as Syncro/XYZ/Fusion material or be tributed. This card can attack your opponent directly.

If the Skell Token attacks, after the damage step, destroy it and all cards on your opponents side of the field.

Emergency Skell Call (3 copies)

Type: Normal

When your opponent declares an attack on a face-up "Skell Pilot" card you control: Negate the attack, and target the defending monster. If you do, negate the target's effects, Special Summon 1 "Skell:" card from your hand or deck, and equip the target to the Special Summoned card.

Mirror Force (3 copies)

Damage Condenser (1 copy)

Cloning (3 copies)