Okay, technically that "you" was a man named Gerard Pfiefer who submitted the card for the very first You Make the Card promotion we ran back in 2002 (Forgotten Ancient was the card you all ended up making.) Here's what Gerard submitted: (remember that this was designed to go on a green creature) Mulligan Man If you draw CARDNAME in your initial hand, you may reveal it to all players
Decklist: 1 Be'lakor, the Dark Master
On TCGPlayer, this Promo card numbered 5/7 is listed for $1,308
For just two mana you get a solid removal spell, blowing up any creature with a power three or less
The Command Zone, one of my favorite Magic podcast/Youtube channels, made a video where they broke down the statistics for whether more expensive decks do better in the Commander format of Magic and what they found was that the most expensive deck in a pod wins, 29% of the time. And thats just the most expensive in a four-player game where everyone has a 25% chance to win at the very start before anyone starts playing
PTCGO ladder testing is far from optimal for a multitude of reasons, but if you live in the middle of nowhere and have no community, then its an option