Steelix (139/236) [Sun & Moon: Cosmic Eclipse]

[2] Thwomp Fall (50x)
You may discard any number of Pokemon from your hand that have a Retreat Cost of 4. This attack does 50 damage for each card you discarded in this way.

[3M] Iron Tail (100x)
Flip a coin until you get tails. This attack does 100 damage for each heads.