Debris Dragon

① When Normal Summoned: You can target 1 monster with 500 or less ATK in your GY; Special Summon it in Attack Position (negate its effects).
Ⓒ Can't be used as Synchro Material, except for the Synchro Summon of a Dragon.
Ⓒ The other Synchro Material(s) can't be Level 4.