Gambler of Legend (GLAS-EN031) - Gladiator's Assault 1st Edition

"Once per turn, you can toss a coin 3 times and apply the appropriate effect.
- 3 Heads: Destroy all monsters your opponent controls.
- 2 Heads: Discard 1 random card from your opponent's hand.
- 1 Heads: Destroy 1 card you control.
- 3 Tails: Discard your entire hand."