Preventing opponents from gaining life for the rest of the game can simply shut down certain strategies in the format, so Stigma LasherStigma Lasher is an interesting "hate bear" option in aggressive and/or burn-heavy mono-red decks like Zo-Zu the PunisherZo-Zu the Punisher, Subira, Tulzidi CaravannerSubira, Tulzidi Caravanner, and Ashling the PilgrimAshling the Pilgrim
This is useful because you know there will be a creature to use the equipment right away, and you can almost think of these equipment cards as creature spells when deck building
Tetsuko Umezawa, Fugitive Cheap
Search its owner's graveyard, hand, and library for all cards with the same name as that card and exile them
If you're playing a lot of small creatures, or maybe a commander like Adeline, Resplendent Cathar , then you'll find a lot of opportunities to draw cards - you might even be able to draw cards on opponents' turns with a bit of creativity