Magneton (Stormfront SF 42)

Magneton — 80 HP — [M]
Stage 1 — Evolves from Magnemite

[C][C] Magnetic Resonance: 20
If you have a Stadium card in play, this attack does 20 damage to 2 of your opponent’s Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)

[L][C][C] Magnetic Release: 40+
Does 40 damage plus 10 more damage for each Energy attached to the Defending Pokémon.

weakness: [R]+20
resistance: [P]-20
retreat: 1

Illus. Hajime Kusajima
Stormfront — 42/100 — Uncommon

It is actually three Magnemite linked by magnetism. A group can set off a magnetic storm.