The Balrog, Durin's Bane
Legendary Creature — Avatar Demon
This spell costs 
less to cast for each permanent sacrificed this turn.
Haste
The Balrog can't be blocked except by legendary creatures.
When The Balrog dies, destroy target artifact or creature an opponent controls.
7/5
Illustrated by
The Lord of the Rings: Tales of Middle-earth#646RareEnglish