2 Level 7 monsters
You can also Xyz Summon this card by using a "Rebellion" Xyz Monster you control as material. (Transfer its materials to this card.) If you can Pendulum Summon Level 7, you can Pendulum Summon this face-up card from your Extra Deck. This card that was Xyz Summoned using a Rank 7 Xyz Monster as material can make up to 3 attacks during each Battle Phase. If this card in the Monster Zone is destroyed: You can place this card in your Pendulum Zone. You can only Special Summon "Odd-Eyes Rebellion Dragon Overlord(s)" once per turn.
[Pendulum Effect]
Once per turn: You can Special Summon this card from your Pendulum Zone, then Special Summon from your Extra Deck, 1 "Rebellion" or "The Phantom Knights" monster, using this card as material (this is treated as an Xyz Summon), then you can attach 1 card from your Pendulum Zone to it as material.