Ultimate Mime Dragon
Synchro Monster
DARK Dra
★12 ATK 0 DEF 0
1 Tuner + 1+ Non Tuner Monster
If this card is special summoned: Banish one Monster from your Deck or Extra Deck; Negate the Effect of all Cards currently on the field.
While you control another Dragon Monster change the Name of all other Monsters on the field to "Mime Dragon" and change their Type to Dragon and their Attribute to Dark.
This Monster gains 1000 ATK and DEF for each "Mime Dragon" on the field.