Gyah..you kids don't know much do you? LOL
According to my reliable sources (although it's still a rumour, albeit a strong one)...
IF they are going to "emergency ban" anything, it will not be until the end of May or the first 2 weeks in June. UDE are still in talks with Konami over this. Konami prefers to wait until after the World Championships. UDE want to push it beforehand.
Also, if anybody is hoping that any more than 1-2 cards get banned/limited, they are in for a rude shock.
As far as I know, the ONLY two cards up for contention are Dimension Fusion & Return From The Different Dimension, with the most possible scenario being Dimension Fusion will be banned & Return From The Different Dimension will be limited.
That is all this "emergency" will entail.
As for cards like Dark Magician of Chaos, Monster Reborn, Dark Armed Dragon (et al), you will have to wait until September for that, but with RFG recursion almost dead (apart from Different Dimension Revival & Escape From The Different Dimension), I cannot see them touching DAD.
They MAY limit D.D.R come September.
Also, with DMoC banned (which is VERY likely to happen come September), Monster Reborn doesn't pose that much of a threat & is actually quite balanced.
How I see this going down is:
Emergency:
Ban: Dimension Fusion
Limit: Return From the Different Dimension
September:
Ban: Dark Magician of Chaos, Destiny Hero- Disk Commander, Magical Explosion, (with Dimension Fusion already emergency banned)
Limit: Allure of Darkness, Different Dimension Reincarnation, Chaos Sorcerer (with RFG recursion almost dead & Allure on 1, he poses no real threat), Breaker the Magical Warrior (most traps are chainable now), Magician of Faith, Caius the Shadow Monarch, (with Return From The Different Dimension already emergency limited)
Semi Limit: Trade-In, Reasoning, Scapegoat (yes, I see this coming back at 2), D.D Warrior Lady, Mystical Space Typhoon & Magic Cylinder.
Unlimit:
Royal Decree