3: Each opponent discards two cards
[5] The classic example is something like, If I let you resolve your commander will you agree to not counter mine next turn? Basically, both of you get something out of it
There's a lot of really terrible and confusing cards from that era that are virtually useless everywhere, so it made sense at the time
Extra Combat This is a combat deck, so of course we're going to find as many ways as possible to give ourself extra combat phases
The goal of this deck is to utilize the hand discard + refill of Sauron's last ability to enable a powerful Grixis Reanimator style of deck, ramping out Sauron, discarding cards we want in the graveyard while drawing, and then cheating out haymakers from the graveyard for more value
Karrthus, Tyrant of Jund There's a couple of reasons this throwback still gets played in Commander