Hakari Kinji, Lucky Gambler

Flying

Whenever Hakari Kinji, Lucky Gambler attacks, choose a number between 1 and 5. Flip that many coins. For each flip you win, draw a card.
For each flip you lose, Hakari deals 2 damage to you. If you won five flips this way, you may cast spells from your hand this turn without paying their mana costs.

"Restless gambler"