Name:Mockingbird
ManaCost:X U
Types:Creature Bird Bard
PT:1/1
K:Flying
K:ETBReplacement:Copy:DBCopy:Optional
SVar:DBCopy:DB$ Clone | Choices$ Creature.Other+cmcLEY | AddTypes$ Bird | AddKeywords$ Flying | SpellDescription$ You may have CARDNAME enter the battlefield as a copy of any creature on the battlefield with mana value less than or equal to the amount of mana spent to cast CARDNAME, except it's a Bird in addition to its other types and it has flying.
SVar:X:Count$xPaid
SVar:Y:Count$CastTotalManaSpent
Oracle:Flying\nYou may have Mockingbird enter the battlefield as a copy of any creature on the battlefield with mana value less than or equal to the amount of mana spent to cast Mockingbird, except it's a Bird in addition to its other types and it has flying.
