: Put a devotion counter on Bloodthirsty Ogre.
: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate this ability only if you control a Demon.
If was spent to cast Cankerous Thirst, you may have target creature get -3/-3 until end of turn. If was spent to cast Cankerous Thirst, you may have target creature get +3/+3 until end of turn. (Do both if was spent.)
Enchant player
At the beginning of enchanted player's upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to him or her.
Enchant creature
Whenever enchanted creature deals combat damage to a player, you may return target creature card from your graveyard to your hand.
Sorin's Thirst deals 2 damage to target creature and you gain 2 life.
When Thirst enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of your upkeep, sacrifice Thirst unless you pay .
Draw three cards. Then discard two cards unless you discard an artifact card.