Blackland Fire Dragon + Tripwire Beast → Thunder Dragon

Blackland Fire Dragon + Bolt Escargot → Thunder Dragon

Blackland Fire Dragon + Bolt Penguin → Thunder Dragon

Blackland Fire Dragon + The Immortal of Thunder → Thunder Dragon

Blackland Fire Dragon + Electric Snake → Thunder Dragon

Blackland Fire Dragon + Armed Ninja → Sword Arm of Dragon

Blackland Fire Dragon + Magical Ghost → Dragon Zombie

Blackland Fire Dragon + Sea Kamen → Spike Seadra

Blackland Fire Dragon + Ameba → Spike Seadra

Blackland Fire Dragon + Rainbow Flower → B. Dragon Jungle King

Blackland Fire Dragon + Barrel Lily → B. Dragon Jungle King

Blackland Fire Dragon + Yado Karu → Spike Seadra