Yusri, Casino Gambit

Shadow, Ward {2}
Whenever Yusri attacks, choose a number
between 1 and 5. Flip that many coin or roll that
many d20. For each flip you win, you and the
player who was dealt combat damage draw a card.
1-5 - Discard your hand.
6-19 - All players lose life equal to the number of
cards in your hand.
20 - All opponents lose life equal to the number
of cards in your hand.