Sorin, Grim Nemesis is a great bomb, and you need to be running Ghostly Prison + Propaganda , and perhaps Collective Restraint or Sphere of Safety, even with 1 or 2 land types or enchantments, they are very useful and keep people off of you
First introduced back in Commander 2016, Partner has been one of the most successful Magic: The Gathering mechanics in the format ever since
Ryan Saxe was adamant that I wasnt giving the card enough credit in our set review on The 540, and after sleeping on it, I will concede that it is better at offering specific support to flash-style decks than some of the cards that I would Cube over it and that I could conceive of the card being competitive on rate with Elspeth, Knight-Errant
The real kicker is Garlands ability to return from the graveyard transformed into Chaos, the Endlessa 5/5 demon with flying, ready to keep applying pressure to your opponents
Casting a spell requires an investment of mana
How Much Do Serialized MTG Cards Sell For