Tormented Thoughts 

Sorcery
"Not all nightmares can be escaped by waking." —Ashiok, Nightmare Weaver
Artist:
Allen WilliamsShare:
Text:
As an additional cost to cast this spell, sacrifice a creature.Target player discards a number of cards equal to the sacrificed creature's power.
Rulings:
- 4/26/2014 The targeted player will discard a number of cards equal to the power of the sacrificed creature as it last existed on the battlefield.
- 4/26/2014 You must sacrifice exactly one creature to cast this spell; you cannot cast it without sacrificing a creature, and you cannot sacrifice additional creatures.
- 4/26/2014 Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to prevent you from casting this spell.
- 6/22/2015 You must sacrifice exactly one creature to cast Tormented Thoughts. You can’t cast it without sacrificing a creature, and you can’t sacrifice additional creatures.
- 6/22/2015 Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrifice to stop you from casting this spell.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Legal
- modern: Legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Legal
- gladiator: Not legal
- premodern: Not legal
- historicbrawl: Not legal
- paupercommander: Not legal
- alchemy: Not legal
- explorer: Not legal
- predh: Not legal
- oathbreaker: Legal