Background
All Cards
Scourge1
Apply 13 Doom.
Draw 1 card.
Scourge+1
Apply 16 Doom.
Draw 2 cards.

Scourge

Apply 13 Doom. Draw 1 card.
Necrobinder
Skill
1
Common

Scourge+UPGRADED

Apply 16 Doom. Draw 2 cards.
Baalorload
Baalorload
Baalorlord
Doom seems quite efficient compared to dealing damage directly - 17 effective damage for 1 energy is very high, but you must account for the delayed effect and block for an additional turn to use it properly.