Mamoswine

[Water, Colorless, Colorless] Frost Stone 50 — Flip a coin. If heads, this attack does 20 more damage and the Defending Pokémon is now Paralyzed. [Water, Water, Colorless, Colorless] Continuous Headbutt 90 — Flip a coin until you get tails. This attack does 90 damage times the number of heads.