Heatran is one good candidate. He learns Will O' Wisp by TM and Fire Spin at 57. He also learns a much more powerful variation of Fire Spin called Magma Storm, his signature move.
Fire Spin = 35 BP
Magma Storm = 120 BP
Heatran @ Leftovers
Trait: Flash Fire
Modest Nature (+SAtk, -Atk)
- Magma Storm
- Earth Power/ Dragon Pulse/ Substitute
Earth Power or Dragon Pulse for coverage. Substitute to avoid damage when Protect can't save you.