Each time you cast a card like Plaguecrafter or Fleshbag Marauder, it returns to your hand so that you can play it again next turn (provided that your commander is still alive, of course)
This includes trying to trick them by hooking and cutting, i.e., trusting your teammate and ultimately knowing when to pick or pass
But having Shock, Raise Dead, Rampant Growth, or Preordain stapled to a Scry 2 when I am looking to sculpt my draws later offers more card advantage than most players would have known what to do with in 1993
Eventually, when both Mishra and the Dragon Engine attack together, they meld into Mishra, Lost to Phyrexia, an equally aggressive finisher that will frequently end games on the spot
FLIP: Select 1 Trap Card on the field and destroy it