Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon

Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon
Attrib: Earth
Type: Dragon/Effect
Level:7
Atk: 2500
Def: 2400
Once per turn, you can discard 1 card to Special Summon 1 Dragon-type Monster from your hand or Graveyard, except "Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon". You cannot activate this effect if you have monsters in your Extra Deck.

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Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon
Attrib: Earth
Type: Dragon/Effect
Level:7
Atk: 2500
Def: 2400
Once per turn, you can discard 1 card to Special Summon 1 Dragon-type Monster from your hand or Graveyard, except "Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon".

Would it be good without the "no extra deck" clause?

And there I hope the name will get a buff. 

All in seriousness, i don't think it need that clause imo it's a +0 effect that close the door for another duplicate. and since it have no method of SS itself, it is better off without that clause.

Ultimate Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon
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Ultimate Augmented Apocalyptic Demigod of Extinction Necrophagous Tyrantspire Executioner Dragon?

i would not play a deck without an extra deck. as much as i like the card, there is no way i'm not having access to fusion/synchro/xyz

Movement Carried. UADENTED can now Summon with or without an Extra Deck.