Once one knows how to play regular English-language Duel Masters™, and can use the online dueling program, you are well on your way to becoming a KC League Kaijudo Master. However, there are certain changes/errata that are vital to the KirriCorp variant of the game that must be followed. These are given below. The text given is the effective KC rulings text of the card. You may ignore the other rulings text for KC duels. The text is given according to the errata, in Kaijudo Portal.

All official KC decks are limited to containing exactly 40 cards.

Name: Corile
Type: Creature
Race: Cyber Lord
Civilization: Water
Cost: 5
Rules Text: When you put this creature into the battle zone, you may choose a creature in the battle zone and return it to the owner's hand.
Power: 2000
Mana Number: 1
Set: Evo-Crushinators of Doom

Name: Searing Wave
Type: Spell
Civilization: Fire
Cost: 5
Rules Text: Destroy all your opponent's creatures that have power 3000 or less, and call the number of destroyed creatures X. Choose X-1 of your mana cards and put them into your graveyard.
Mana Number: 1
Set: Rampage of the Super Warriors

Name: Cranium Clamp
Type: Spell
Civilization: Darkness
Cost: 4
Rules Text: Once this turn, when one of your creatures is attacking your opponent and isn't blocked, your opponent discards two cards at random from his hand.
(This effect activates once per Cranium Clamp played, and always on the first unblocked attack. The cards are discarded before the shield is broken).
Mana Number: 1
Set: Epic Dragons of Hyperchaos

Name: Soulswap
Type: Spell
Civilization: Nature
Cost: 3
Rules Text: [Shield trigger]. You may choose a creature in the battle zone and put it into its owner's mana zone. If you do, choose a non-evolution creature in that player's mana zone that costs the same as or less than the number of cards in that mana zone. That player puts that creature into the battle zone.
(If this Spell was activated as a Shield Trigger, the creature placed into the battle zone does not have summoning sickness)
Mana Number: 1
Set: Shockwaves of the Shattered Rainbow

Name: Bombazar, Dragon of Destiny
Type: Creature
Race: Armored Dragon/Earth Dragon
Civilization: Fire/Nature
Cost: 7
Rules Text: [Double Breaker] [Speed Attacker] This creature can't be blocked by any creature that has power 5000 or less.
Power: 6000
Mana Number: 1
Set: Shockwaves of the Shattered Rainbow

Name: Judgement of the Flame's Spear and the Water's Blade
Type: Spell
Civilization: Water/Fire
Cost: 6
Rules Text: Each of your creatures in the battle zone gets +1000 power until the end of the turn.
Each of your creatures in the battle zone that can attack creatures can attack untapped creatures this turn.
Whenever a creature loses a battle and is destroyed this turn, you may draw a card. (If both creatures have equal power, they both lose the battle).
Mana Number: 1
Set: Eternal Phoenix

Name: Pacific Champion
Type: Evolution Creature
Civilization: Water
Cost: 2
Rules Text: When you summon this creature, you lose instantly.
(This card is considered non-existant)
Mana Number: 1
Set: Eternal Phoenix

Name: Slash Charger
Type: Spell
Civilization: Darkness
Cost: 3
Rules Text: [Charger]
Search your deck. You may take a card from your deck and put it into your graveyard. Then, shuffle your deck.
Mana Number: 1
Set: Fatal Brood of Infinite Ruin

Name: Future Slash
Type: Spell
Civilization: Darkness
Cost: 3
Rules Text: View the top 5 cards of your opponent's deck. Take up to 2 cards from among those and put them into his graveyard. Then your opponent shuffles his deck.
Mana Number: 1
Set: Stomp-a-trons Of Invincible Wrath