Once per Duel, during your Main Phase, you can change the name of 1 "Red-Eyes" monster or 1 Dragon Normal Monster you control to "Red-Eyes Black Dragon" while it is face-up on the field. Each "Red-Eyes Black Dragon" you control gains the following effect.
• Once per turn, during your Main Phase: You can Special Summon 1 Dragon monster from your GY that can be Normal Summoned/Set.