The first seems very diverse in it's shape manipulation, allowing you to make a variety of attack types with just the one jutsu that can be very useful. If used in a creative way and it's ability to combine it with a specific wind type attack is also very handy.Yeah, aint no self respecting katon user carrying around a freaking lighter lol. Moving on..
( Katon: Hibashiri ) - Fire Release: Running Fire
Rank: C
Type: Attack
Range: Short-Mid
Chakra Cost: 15
Damage Points: 30
Description: After performing the Tiger hand seal by utilizing their fire chakra, the user will create a stream of fire that can be manipulated into several forms (rings of fire that runs on the ground or a circle of fire flying through the air) before striking the target. It can also be used in combination with Wind Release: Divine Wind to create a tornado of flames, or with Wind Release: Godly Wind from the Mountains to release a massive inferno. The stream of fire can be created by stomping the ground (running across the ground in this case) or by spewing the flames (which will form an airborne ring of flames that will travel towards the enemy).
( Katon: Ryūka no Jutsu ) - Fire Release: Dragon Fire Technique
Rank: C
Type: Offense
Range: Short/Mid
Chakra Cost: 15
Damage Points: 30
Description: The user will perform four handseals Snake → Dragon → Rabbit → Tiger , and breathe fire along a cord or any other type of long object, which rushes forward in straight line catching the enemy on fire. A line of enemies can be used as the conductor as well. The flames are meant to target, and assault the enemy's upper body just like a projectile weapon.
( Katon: Karyūdan ) - Fire Release: Fire Dragon Bullet
Rank: C
Type: Offense
Range: Short/Mid
Chakra Cost: 15
Damage Points: 30
Description: The user exhales a flame breath from their mouth after making the tiger hand seal. This technique can be used in conjunction with Earth Release: Earth Dragon Bullet to ignite the projectiles fired by the latter technique, making it more devastating.
The second is also a useful technique however it's more specific in said uses. Mostly this is a good move to use if you've managed to trap an opponent with ninja wire or tools of similar purpose and nature.
The third is a combination technique with an earth technique. While it does state only that one particular earth technique I believe it could be used to ignite earth techniques of the same density composition and rank, making it a useful part of a combination attack.