Started way back when Portal was released, my first prebuilt deck was back in Urza's saga and it was Tombstone, which got me into the whole reanimator theme.
But it wasn't then that I started to really get into magic, it was later when Scourge, Onslaught, Mercadian Masks, and all of those sets were available that I really went all in with magic, and me and my friends spent our entire pocket money searching for Akroma (which I still own), and Phage (a card that my best friend got at the time and has now passed on to me), either way this is where I found my love for an Elven deck, comboi'ng Wellwishers, with Priestess of Titania and Seeker of Skybreak, and using Elvish Soultiller, this is also where I started to fall in love with monocoulor deck. I delved deeper into magic until Kamigawa, where I lost interest for the lack of friends who still played.
But more recently, i came back to magic and dragged a friend or two from College, with Scars of Mirrodin and Mirrodin Besieged, and we've been playing casually for a long time.
Right now I have three decks which I play:
Blue/Artifact composed majorly of affinity for artifacts cards, some of the swords, and Wurmcoil Engine.
Mono Black vampire- Majorly reconstructed from my old (and highly obsolete and/or illegal in most formats W/B reanimator).
Mono Green- My 10 year old Elvish deck, everchanging, and still one I keep with fondness and struggle to keep in format.
However I have to add, that I dislike serious competition due to the fact that most people just buy cards individually or build and pay, while I've always been someone who believes in the booster pack and find it the same gamble and bane of all TCG, and part of it's charm meaning if i take someone who plays in semi/serious circles, I'll usually struggle unless I can set off a weird combo.