I've converted "the worst deck ever to win a Magic: the Gathering pro tour" into a BTCG deck. It's called Red/Green Spiders and was originally by Magic player Olle Rade.
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What was once an aggressive deck in a sea of control now becomes a pretty heavy-handed control deck, with many cards that discard themselves to destroy or damage the opponent's stuff. There's very little in the way of ramping or buffing your own stuff so I think the game plan for actually winning is using Giant Growth on Fyndhorn Elves to generate a lot more mana each turn, lock down your opponent and just durdle out your cards to hit the level target the "fair" way.