Name:Invasion of Xerex
ManaCost:2 W U
Types:Battle Siege
Defense:4
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigReturn | TriggerDescription$ When CARDNAME enters, return up to one target creature to its owner's hand.
SVar:TrigReturn:DB$ ChangeZone | ValidTgts$ Creature | TargetMin$ 0 | TargetMax$ 1 | TgtPrompt$ Select up to one target creature | Origin$ Battlefield | Destination$ Hand
AlternateMode:DoubleFaced
Oracle:(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)\nWhen Invasion of Xerex enters, return up to one target creature to its owner's hand.

ALTERNATE

Name:Vertex Paladin
ManaCost:no cost
Colors:white,blue
Types:Creature Angel Knight
PT:*/*
S:Mode$ Continuous | EffectZone$ All | CharacteristicDefining$ True | SetPower$ X | SetToughness$ X | Description$ CARDNAME's power and toughness are each equal to the number of creatures you control.
SVar:X:Count$Valid Creature.YouCtrl
K:Flying
Oracle:Flying\nVertex Paladin's power and toughness are each equal to the number of creatures you control.
