best place to price mtg cards How all those expensive old cards! Price of Knowledge | Commander

Just look at the horror that Spiderpig turned into

Colin Bakers Sixth Doctor card contains the ability Time Lords Prerogative, which allows players to copy any historic spells they cast once per turn, with the copy not being classed as legendary

Descend upon the Sinful Board wipes that exile the board are a huge boon over the typically destroy all creatures format as they allow you to avoid protective spells like Heroic Intervention and Boromir, Warden of the Tower

You can then repeat the process for the larger mana value creature

Y'shtola has a few things going on mechanically, and they all combine to make her a powerful Commander