Under-gate Sentry
Shelob's Lair Nightmare #6 (x3)
Enemigo
(30) 3 5 3 5
Orco.   Uruk.  

Forced: After Under-gate Sentry attacks and destroys a character you control, discard a random card from your hand.

Shadow: Either discard a random card from your hand, or exhaust a character you control.