I use
(Suiton:Mizu Kuri No Yaiba)-Water Style:Sword of Draining
? Type:Attack
? Range:Short
? Chakra cost:10
? Damage Points:20
? Descripton: A sword made of water that is capable of cutting and stabbing the opponent.
To block any incoming rocks
then i use
(Suiton

aibakuryuu)-Water Style:Great Exploding Current
? Type:Attack
? Range:Short-Mid
? Chakra cost:15
? Damage Points:30
? Descripton: A whirl pool that sucks any opponent in range under water
to drown all the lava
i use
(Suiton

aibakufu)-Water Style:Giant Water Vortex
Type:Attack
Range:Short-Long
Chakra cost:30
Damage Points:60
Descripton: The user attacks With a huge vortex of water that can level a small forest area.
and then attack with
(Raiton:Raikyuu)-Lightning Style:Lightning Ball
Type:Attack
Range:Short-Mid
Chakra cost:15
Damage Points:30
Descripton: A ball of lightning that can strike opponent.
I'll say that ANBU K's second water jutsu and Kazuku's first water jutsu were enough to cool the lava.
Then I use...
(Fuuton:Reppushou)-Wind Style Wind gale
* Type:Attack/Supplementary
* Range:Mid-Long
* Chakra Cost:10
* Damage Points:20
* Description:A gust of wind capable of blowing away your opponent or that can add speed and stenght to a thrown projectile.
To stop the lightning ball.
(Kazuku and ANBU K suddenly drop dead).
That was from the poison gas. When you two cooled down the lava, it released poison gas into the air. That's what happens when you cool down lava. My wind jutsu just blew it right in your faces. One breath, and you're dead.
And just to make sure....
Earth Release: Whirlpool of Quicksand
Rank: A
Type: Supplementary
Range: Mid-Long
Chakra: 35
Damage: N/A
Description: This creates a large pool of quicksand right underneath the opponents' feet.
To hold you two in place while I use...
Lava Release: Tsunami of Lava
Rank: S
Type: Attack
Range: Long
Chakra: 40
Damage: 85
Description: This jutsu calls forth a gigantic tsunami of lava, multiple stories high, up from the ground. It truely is a monstrous wave of lava.
Killing both of you. Twice.