Forum:Do you think there will ever be a fourth type of Extra Deck monster?

Obviously not counting Pendulum Monsters sent there face-up, what are the odds of a fourth type of Extra Deck Monster being introduced? What colour do you think it would be? How would it be summoned? Let's hear some ideas! Primarch Dysley (talk • contribs) 21:11, October 17, 2015 (UTC)