Glaurung, Father of Dragons

Deathtouch
{b}, Reveal Glaurung from your hand: Put a prey counter on target creature. Activate this ability only during your turn.
When Glaurung enters the battlefield, destroy each creature your opponents control with a prey counter on it.
The strength and terror of the Great Worm were now great indeed, and Elves and Men withered before him; and he came between the hosts of Maedhros and Fingon and swept them apart.