Card Rulings:Cyber Dragon
{RulingsAZ}} + - + - * You can only use the effect of "Cyber Dragon" to Special Summon itself during your Main Phase. + - + - * The effect of "Cyber Dragon" does not start a chain. + - + - * You can negate the Special Summon of "Cyber Dragon" with "Royal Oppression", "Solemn Judgment", or "Horn of Heaven".