To pull this combo off, you need Sefris, Radiant Solar, and two other nontoken creatures in play
This meant that Blue had "U" and "E" and Black had "C" and "K." (In the early days before Wizards spelled it out, incidentally, some players used "K" for black.) Why did we end up going with U
In Innistrad: Crimson Vow, Disturb works the exact same way, but with a slight difference in that the reverse side of the card is an Enchantment Aura instead of a Spirit creature
It started as a graded card marketplace, but it sells ungraded cards and sealed product now too, so it's become a lot more versatile than it used to be
Unless something catastrophic happens I can't imagine how it could take longer than the end of July, certainly