9/130 Magneton
Also, there is no real way to search for card prices across the whole market, so you pretty much have to check all the major bots manually
All label options have a quick base turnaround time of 20 days, but this time can be halved to 10 days for an extra 2, and halved again to 5 days for another 3
Commander is a format in which your whole deck is based on a legendary creature that you choose as your Commander, and it stays in your Command zone, so it's not hard to see why Karakas can never see play
If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control
If you want to improve the deck further and have the budget to do so, Arthur - Wizard's Apprentice is a very good card in an aggressive bounce deck