Name:Thirst
ManaCost:2 U
Types:Enchantment Aura
K:Enchant creature
K:UpkeepCost:U
A:SP$ Attach | Cost$ 2 U | ValidTgts$ Creature | AILogic$ KeepTapped
S:Mode$ Continuous | Affected$ Creature.EnchantedBy | AddHiddenKeyword$ CARDNAME doesn't untap during your untap step. | Description$ Enchanted creature doesn't untap during its controller's untap step.
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigTap | TriggerDescription$ When CARDNAME enters the battlefield, tap enchanted creature.
SVar:TrigTap:AB$Tap | Cost$ 0 | Defined$ Enchanted
SVar:Picture:http://www.wizards.com/global/images/magic/general/thirst.jpg
Oracle:Enchant creature\nWhen Thirst enters the battlefield, tap enchanted creature.\nEnchanted creature doesn't untap during its controller's untap step.\nAt the beginning of your upkeep, sacrifice Thirst unless you pay {U}.