Monsters:
* Elemental HERO Neos: Jaden's signature monster, often fusion summoned with Polymerization.
* Elemental HERO Bubbleman: A common fusion material for Neos.
* Elemental HERO Sparkman: Provides the FIRE attribute for Neos.
* Elemental HERO Shadow Mist: Used for special summoning Neos from the graveyard.
* Elemental HERO Stratos: A powerful tuner monster that can be special summoned from the hand or graveyard.
* Elemental HERO Flame Wingman: A strong monster with a useful effect.
* Elemental HERO Avian: Jaden's "ace" monster in the early series.
* Elemental HERO Terra Firma: A reliable Earth monster with good ATK.
* Elemental HERO Burst Lady: A powerful attacker with a useful effect.
* Elemental HERO Clayman: A powerful earth monster with a useful effect.
* Elemental HERO Grand Neos: A powerful fusion monster that combines the powers of Elemental HERO Neos and Elemental HERO Absolute Zero.
Spells:
* Polymerization: Jaden's key spell card for fusing his Elemental HERO monsters.
* Miracle Fusion: A powerful spell that can be used to summon any Fusion Monster.
* Call of the Haunted: A common spell card to bring back monsters from the graveyard.
* Change of Heart: A powerful spell card that can be used to steal an opponent's monster.
* Sangan: A common spell card used to search for monsters.
* Mystical Space Typhoon: A common spell card used to destroy opponent's spell and trap cards.
Traps:
* Torrential Tribute: A powerful trap card that can be used to destroy multiple monsters on the field.
* Mirror Force: A common trap card used to reflect an opponent's attack back at them.
* Sakuretsu Armor: A trap card to destroy a monster with high attack.
Other noteworthy cards:
* Elemental HERO Brave Neos: A fusion monster summoned with Elemental HERO Neos and Elemental HERO Brave.
* Elemental HERO Absolute Zero: A powerful water monster that can be used to summon Elemental HERO Grand Neos.
* Elemental HERO Prisma: A fusion monster that can be used to summon Elemental HERO Prisma.
* Elemental HERO Aqua Dolphin: A common water monster for fusion summoning.
* Elemental HERO The Shining: A powerful monster with a powerful effect.
It's important to note that this is just a sampling of the cards Jaden uses in the anime. He uses many other cards throughout the series, and his deck evolves as he faces new opponents and learns new strategies. To get a full picture of his deck, you would need to watch all of the episodes and pay close attention to the cards he uses.
For a more comprehensive list, you can also search for "Jaden Yuki Deck" on sites like Yugioh Wikia or Dueling Network.