Name:Voldaren Bloodcaster
ManaCost:1 B
Types:Creature Vampire Wizard
PT:2/1
K:Flying
T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Graveyard | ValidCard$ Card.Self,Creature.Other+nonToken+YouCtrl | Execute$ TrigToken | TriggerDescription$ Whenever CARDNAME or another nontoken creature you control dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")
SVar:TrigToken:DB$ Token | TokenScript$ c_a_blood_draw
T:Mode$ TokenCreated | ValidPlayer$ You | ValidToken$ Blood | IsPresent$ Blood.token+YouCtrl | PresentCompare$ GE5 | Execute$ TrigTransform | TriggerZones$ Battlefield | TriggerDescription$ Whenever you create a Blood token, if you control five or more Blood tokens, transform CARDNAME.
SVar:TrigTransform:DB$ SetState | Defined$ Self | Mode$ Transform
DeckHas:Ability$Token|Sacrifice & Type$Blood
AlternateMode:DoubleFaced
Oracle:Flying\nWhenever Voldaren Bloodcaster or another nontoken creature you control dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")\nWhenever you create a Blood token, if you control five or more Blood tokens, transform Voldaren Bloodcaster.

ALTERNATE

Name:Bloodbat Summoner
ManaCost:no cost
Colors:black
Types:Creature Vampire Wizard
PT:3/3
K:Flying
T:Mode$ Phase | Phase$ BeginCombat | ValidPlayer$ You | Execute$ TrigAnimate | TriggerZones$ Battlefield | TriggerDescription$ At the beginning of combat on your turn, up to one target Blood token you control becomes a 2/2 black Bat creature with flying and haste in addition to its other types.
SVar:TrigAnimate:DB$ Animate | ValidTgts$ Blood.token+YouCtrl | TgtPrompt$ Select up to one target Blood token you control | TargetMin$ 0 | TargetMax$ 1 | Power$ 2 | Toughness$ 2 | Colors$ Black | OverwriteColors$ True | Types$ Creature,Bat | Keywords$ Flying & Haste | Duration$ Permanent
Oracle:Flying\nAt the beginning of combat on your turn, up to one target Blood token you control becomes a 2/2 black Bat creature with flying and haste in addition to its other types.
