Name:Surgical Suite
ManaCost:1 W
Types:Enchantment Room
T:Mode$ UnlockDoor | ValidPlayer$ You | ValidCard$ Card.Self | ThisDoor$ True | Execute$ TrigReturn | TriggerDescription$ When you unlock this door, return target creature card with mana value 3 or less from your graveyard to the battlefield.
SVar:TrigReturn:DB$ ChangeZone | Origin$ Graveyard | Destination$ Battlefield | ValidTgts$ Creature.YouCtrl+cmcLE3 | TgtPrompt$ Select target creature card with mana value 3 or less
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, return target creature card with mana value 3 or less from your graveyard to the battlefield.

ALTERNATE

Name:Hospital Room
ManaCost:3 W
Types:Enchantment Room
T:Mode$ AttackersDeclared | AttackingPlayer$ You | Execute$ TrigPutCounter | TriggerZones$ Battlefield | TriggerDescription$ Whenever you attack, put a +1/+1 counter on target attacking creature.
SVar:TrigPutCounter:DB$ PutCounter |  ValidTgts$ Creature.attacking | TgtPrompt$ Select target attacking creature | CounterType$ P1P1 | CounterNum$ 1
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.)\nWhenever you attack, put a +1/+1 counter on target attacking creature.
