Shilgengar is a white and black commander thanks to its hybrid costing ability which lets you sacrifice six Blood tokens to bring back all creatures from your graveyard to the battlefield with a finality counter on it
Part of me was hoping they were reused in some way
Look at the bottom right corner
In the real game though, some of those situations would be just too specific for those cards to be useful

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In a press release announcing the decision, they hit on many common themes - 30th Anniversary Edition , too many card styles and variants, aggressive reprints of valuable cards - as reasons why selling Magic cards just wasn't as profitable as it used to be