Manual shufflers are operated with a crank, so as soon as you notice a card getting stuck, you can remove it
Although with the recent fire design philosophy, where Wizards of the Coast design cards to be powerful, and sometimes too powerful , we have ended up with some downright busted cards
Other good payoffs for this strategy include Liliana, Dreadhorde General for incidental card draw, Moldervine Reclamation for lifegain, and Grave Pact for board-wide punishment
Its been personally interesting seeing these come out alongside reviews of folks I deeply respect, particularly Luis Scott Vargas on ChannelFireball
You can make infinite tokens with a card like Ant Queen, you can just Fireball them to the face for the win