There are some fun things in this micro set for a few different formats - although it does feel especially focused on Commander but, hey, thats nothing new in recent years
If there's a cost associated with having a creature attack a player, its controller isn't forced to pay that cost, so it doesn't have to attack that player
As such, I highly recommend including a few cards from the set in your Magic collection / investment
The Reserved List bans physical printings of cards on the list in any playable format
Thankfully, when Blood Sun is bad, it still has a much higher floor than Blood Moon because it draws a card when it enters the battlefield, which helps to minimize the downside of playing a card that is somewhat situational and not all that good in multiples
Starscourge At the beginning of combat on your turn, exile up to one target creature card from a graveyard