Sangen Kaiho

“During the Main Phase, if all monsters you control are FIRE Dragon monsters (min. 1) and your opponent controls more monsters than you do: End the Main Phase. If 3 or more attacks have been declared this turn: You can banish this card from your GY; draw 1 card, then you can Special Summon any number of "Tenpai Dragon" monsters from your hand. You can only use each effect of "Sangen Kaiho" once per turn.”