Name:Meat Locker
ManaCost:2 U
Types:Enchantment Room
T:Mode$ UnlockDoor | ValidPlayer$ You | ValidCard$ Card.Self | ThisDoor$ True | Execute$ TrigTap | TriggerDescription$ When you unlock this door, tap up to one target creature and put two stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
SVar:TrigTap:DB$ Tap | ValidTgts$ Creature | TgtPrompt$ Select up to one target creature | TargetMin$ 0 | TargetMax$ 1 | SubAbility$ DBCounter
SVar:DBCounter:DB$ PutCounter | Defined$ Targeted | CounterType$ Stun | CounterNum$ 2
AlternateMode:Split
Oracle:(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)\nWhen you unlock this door, tap up to one target creature and put two stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

ALTERNATE

Name:Drowned Diner
ManaCost:3 U U
Types:Enchantment Room
T:Mode$ UnlockDoor | ValidPlayer$ You | ValidCard$ Card.Self | ThisDoor$ True | Execute$ TrigDraw | TriggerDescription$ When you unlock this door, draw three cards, then discard a card.
SVar:TrigDraw:DB$ Draw | NumCards$ 3 | SubAbility$ DBDiscard
SVar:DBDiscard:DB$ Discard | Defined$ You | NumCards$ 1 | Mode$ TgtChoose
Oracle:(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)\nWhen you unlock this door, draw three cards, then discard a card.
