Shrouded Samurai

Whenever an Equipment is attached to Shrouded Samurai, draw a card.
Whenever you draw a card, you may discard it. If you do, Shrouded Samurai deals X damage to
any target, where X is the number of Equipment attached to Shrouded Samurai.
Whenever you discard a card, Shrouded Samurai gains hexproof until end of turn.