Name:Restricted Office
ManaCost:2 W W
Types:Enchantment Room
T:Mode$ UnlockDoor | ValidPlayer$ You | ValidCard$ Card.Self | ThisDoor$ True | Execute$ TrigDestroy | TriggerDescription$ When you unlock this door, destroy all creatures with power 3 or greater.
SVar:TrigDestroy:DB$ DestroyAll | ValidCards$ Creature.powerGE3
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, destroy all creatures with power 3 or greater.

ALTERNATE

Name:Lecture Hall
ManaCost:5 U U
Types:Enchantment Room
S:Mode$ Continuous | Affected$ Permanent.Other+YouCtrl | AddKeyword$ Hexproof | Description$ Other permanents you control have hexproof.
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.)\nOther permanents you control have hexproof.
