Seto Kaiba Single Cards

Activate this card by targeting 1 monster in your Graveyard; Special Summon that target in face-up Attack Position. When this card leaves the field, destroy that target. When that target is destroyed, destroy this card.

Select 1 Union Monster in your Graveyard and equip it to an appropriate monster on your side of the field.

Activate this card by targeting 1 Effect Monster on the field; its effects are negated, also it cannot attack. When it is destroyed, destroy this card.

ABC-Dragon Buster + XYZ-Dragon Cannon
Must be Special Summoned (from your Extra Deck) by banishing cards you control with the above original names, and cannot be Special Summoned by other ways. (You do not use Polymerization.) During either player's turn, when your opponent activates a Spell/Trap Card, or monster effect: You can discard 1 card; negate the activation, and if you do, destroy that card. During either player's turn: You can banish this card, then target 1 each of your banished ABC-Dragon Buster and XYZ-Dragon Cannon; Special Summon them.

A-Assault Core + B-Buster Drake + C-Crush Wyvern
Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control and/or from your Graveyard. (You do not use Polymerization.) Once per turn, during either player's turn: You can discard 1 card, then target 1 card on the field; banish it. During your opponent's turn: You can Tribute this card, then target 3 of your banished LIGHT Machine-Type Union monsters with different names; Special Summon them (this is a Quick Effect).

X-Head Cannon + Y-Dragon Head + Z-Metal Tank
This card can only be Special Summoned from your Extra Deck by removing from play the above cards you control. (You do not use Polymerization.) This card cannot be Special Summoned from the Graveyard. You can discard 1 card to destroy 1 card your opponent controls.

X-Head Cannon + Y-Dragon Head
This card can only be Special Summoned from your Fusion Deck by removing from play the above cards on your side of the field. (You do not use Polymerization). This card cannot be Special Summoned from the Graveyard. Discard 1 card from your hand to destroy 1 face-up Spell or Trap Card on your opponent's side of the field.

X-Head Cannon + Z-Metal Tank
This card can only be Special Summoned from your Fusion Deck by removing from play the above cards on your side of the field. (You do not use Polymerization). This card cannot be Special Summoned from the Graveyard. Discard 1 card from your hand to destroy 1 face-down Spell or Trap Card on your opponent's side of the field.