Being a list of actually useful decks I have, rather than my endless parade of useless ones
Why Is It Always Snakes?: Monogreen (ahem) Snake tribal deck. The (ahem) is because it's got a couple of slots for "Random Creature of the Week" - the deck is capable of producing about 10 of any colour of mana on turn 4, so I keep interchanging the big creatures it casts. Fishing Rug: Red-green-blue weenie deck built to see if I can break MTG: Guided Passage. First Control: White-blue control deck with MTG: Platinum Angel Second Control: Black control / lifedrain deck. Would run MTG: Necropotence if I had any! Maniac En-Kor: Red-white Kor / burn deck based around redirecting 24 damage to MTG: Mogg Maniac. And I still have my individual and team Sealed decks from the Kamigawa prerelease. (And I've kept the Team cards separate and safe.)
White-blue lifegain deck. White-green-black deck based around getting the opponent to gain life, then casting MTG: Test of Endurance and switching life totals for the win. A deck containing all the silly cards I have, but actually putting them to good use. A deck containing all the match-winning bombs I have, but putting them to counterintuitive and silly uses. Green-blue Soratami tribal deck, with Azusa and other Fastbond-like effects.
"I kind of lost touch about the time of 5th Edition.."
I'm pretty certain I asked this exact question some while ago, and had some really useful responses to it at the time. Unfortunately, I can't seem to find where. When I do, I will post a link :) If it's going to be an FAQ, it might be worth starting a "OK, I've not been playing since... - what's new?" subpage of MagicTheGathering and merging all the replies into that. - MoonShadow''