Oblivion - Slay the Spire 2
Whenever you play a card this turn, apply 3 Doom to the enemy.
Oblivion
+UPGRADEDWhenever you play a card this turn, apply 4 Doom to the enemy.
Related Mechanics
Necrobinder's Relics
Synergies & related cards

Apply 29 Doom to ALL enemies. Kill enemies with at least as much Doom as HP.
Doom archetype — accelerates End of Days's execute threshold and finisher damage.

Gain . Draw 2 cards. At the start of your turn, apply 3 Doom to yourself.
Doom archetype — accelerates Neurosurge's execute threshold and finisher damage.

Whenever Attacks deal damage, they also apply that much Doom .
Doom archetype — accelerates Reaper Form's execute threshold and finisher damage.

Deal damage equal to the enemy's Doom . Exhaust .
Doom archetype — accelerates Time's Up's execute threshold and finisher damage.