Onix and Steelix were revealed from the upcoming set Pokemon GO, which releases in Japan on June 17th and internationally on July 1st.
[C][C][C] Rock Tomb: 50 damage. During your opponent’s next turn, the Defending Pokemon can’t retreat.
[F][F][C][C] Wrathful Swing: 50x damage. This attack does 50 damage for each damage counter on this Pokemon.
Weakness: Grass (x2)
[C][C][C] Body Slam: 70 damage. Flip a coin. If heads, your opponent’s Active Pokemon is now Paralyzed.
[M][C][C][C] Iron Buster: 170 damage. During your next turn, this Pokemon can’t attack.
Weakness: Fire (x2)
Resistance: Grass (-30)