Forum:Phantom of Chaos question

1)If my Phantom of Chaos copied a Horus the Black Flame Dragon LV6 in the graveyard and it destroys a monster by battle,can I send it to the graveyard to special summon Horus the Black Flame Dragon LV8 ?

2)If this card copy a Junk Synchron,can I tune it with a LV2 monster to synchro summon Junk Warrior?

3)If I use this card to copy Yubel's effect,then it gets destroyed by a card effect,can I special summon Yubel,Twin Terror Incarnate?

4)If Hero Mask is used on an Earhbound Immortal and I used this card to copy another Earthbound,will the real Earthbound be destroyed when Hero's Mask effect ends during End Phase?Or I can choose to change Phantom Of Chaos to it's original name first before this happens?