Getting to run one of those in the command zone sounded incredibly appealing for this strategy, and the colors would call for unique ways to go about it
5 Madame Null, Power Broker Legendary Creature Madame Null, Power Broker is a three-mana 1/3 legendary creature with deathtouch, but more importantly, whenever a creature you control enters, you may pay life equal to its power to place that many +1/+1 tokens on it
At minimum you'll be paying 3 mana to save your commander, draw and discard a card which feels like a fair deal for its mana cost and I can see many Dimir graveyard, discard, reanimator or Izzet/Grixis wheel deck slot this card for its instant speed potential
SNC provides us a couple of pretty neat options at the helm of our non-Amazon-affiliated Treasure Truck
Perfect for collectors and players seeking strategic gameplay with a beloved character