Name:Profane Procession
ManaCost:1 W B
Types:Legendary Enchantment
A:AB$ ChangeZone | Cost$ 3 W B | ValidTgts$ Creature | TgtPrompt$ Choose target creature. | Origin$ Battlefield | Destination$ Exile | SubAbility$ DBTransform | SpellDescription$ Exile target creature. Then if there are three or more cards exiled with CARDNAME, transform it.
SVar:DBTransform:DB$ SetState | ConditionDefined$ ExiledWith | ConditionPresent$ Card | ConditionCompare$ GE3 | Defined$ Self | Mode$ Transform
AlternateMode:DoubleFaced
Oracle:{3}{W}{B}: Exile target creature. Then if there are three or more cards exiled with Profane Procession, transform it.

ALTERNATE

Name:Tomb of the Dusk Rose
ManaCost:no cost
Types:Legendary Land
A:AB$ Mana | Cost$ T | Produced$ Any | Amount$ 1 | SpellDescription$ Add one mana of any color.
A:AB$ ChangeZone | Cost$ 2 W B T | Hidden$ True | Origin$ Exile | Destination$ Battlefield | ChangeType$ Creature.ExiledWithSource | ChangeNum$ 1 | GainControl$ True | Mandatory$ True | AILogic$ BestCard | StackDescription$ SpellDescription | SpellDescription$ Put a creature card exiled with CARDNAME onto the battlefield under your control.
Oracle:(Transforms from Profane Procession.)\n{T}: Add one mana of any color.\n{2}{W}{B}，{T}: Put a creature card exiled with this permanent onto the battlefield under your control.
