Here are some examples: Card Face Sometimes, proxies use new or alternative arts/card borders that dont actually exist in Magic
Maybe you get to draw cards from a Harmonize, or maybe you sweep the battlefield with a Wrath of God, or maybe you get to spin the Wheel of Misfortune
He's already 3/3 with the ability to pump to 5/3
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)
My money is currently on Grixis strategies, where the sorcery shores up a rough Burn matchup while also maintaining relevance across the format, but I'm excited to see who else leverages black's newest multitool
Also, Bryan already did that for me (in limited) with his AFR ultimate draft guide, so go check that out if youre curious