Name:Thirst
ManaCost:2 U
Types:Enchantment Aura
K:Enchant:Creature
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigTap | TriggerDescription$ When CARDNAME enters, tap enchanted creature.
SVar:TrigTap:DB$ Tap | Defined$ Enchanted
R:Event$ Untap | ActiveZones$ Battlefield | ValidCard$ Creature.EnchantedBy | ValidStepTurnToController$ You | Layer$ CantHappen | Description$ Enchanted creature doesn't untap during its controller's untap step.
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigUpkeep | TriggerDescription$ At the beginning of your upkeep, sacrifice CARDNAME unless you pay {U}.
SVar:TrigUpkeep:DB$ Sacrifice | UnlessPayer$ You | UnlessCost$ U
Oracle:Enchant creature\nWhen Thirst enters, 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}.
