Electabuzz (Base Set 2 24/130)
0
Colorless Lightning

Thunderpunch

30+

Flip a coin. If heads, this attack does 30 damage plus 10 more damage; if tails, this attack does 30 damage and Electabuzz does 10 damage to itself.

Lightning

Thundershock

10

Flip a coin. If heads, the Defending Pokémon is now Paralyzed.