Timetwister has appeared as a one-of in basically every Vintage archetype at some point or another, even if it has also been famously cut from basically every archetype at one point or another (at least temporarily)
Mulligan rules, as explained by an expert: Garvin explains what happens if you dont like your opening hand: You draw your first 7 cards, you hate them, and you need a new hand
Double-sleeving protects the cards better
I like Lifecrafter's Bestiary
Otherwise, it's a great emergency removal spell that can hit anything from Academy Ruins to Teferi, Hero of Dominaria to Phyrexian Arena to Mind's Eye to Wurmcoil Engine
(Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) The whitest robes stain best. Market price $0.49Regular$1.22Foil Based on the latest market prices tracked on TCG Stacked