Usually, about three S cards are included per box, but the wide variety of them makes it hard to pull a specific desired card
While some might argue the original Sorin Markov is the strongest, given its ability to put an opponent to 10 life, its only really great in certain Commander builds
Whether you employ +1/+1 counter doublers or token doublers, Goldvein can easily bleed a disgusting amount of treasure when it shuffles off this mortal coil, setting you up to win the game in one very big turn
Until end of turn, all damage that would be dealt to you and creatures you control is dealt to the chosen creature instead (if it's still on the battlefield)
Note: Unfortunately, CFB, like many other major Magic content sites, has struggled with site migrations, so accessing older resources can sometimes be tricky (as they werent carried over)
You can check out the decklists here