Lightning Bolt (165 copies) Even though many new creatures often have a toughness greater than 3, this card continues to be widely used for its versatility: with just one mana, it can remove creatures, deal direct damage, and even finish off a game
This spell simply allows you to choose new targets for a spell or ability, which means you can redirect a lethal spell, a nasty planeswalker ability or even something just mildly inconvenient
Shapeshifters like Vesuvan Drifter from MOM: The Aftermath are also good options, and Dimir colors are perfect for accessing lots of the best rogues in the game, like Frogtosser Banneret for cost reduction
Tezzeret, the Conspirator has a casting cost of two generic, one blue, and one black mana, enters the battlefield with five loyalty counters and has the following abilities (credit for ability translation goes to reddit user jack651411): +1: Create a colorless artifact token named "Etherium Stone," which has "Tap: Sacrifice this and add one mana of any color into your mana pool"
Braids, Arisen Nightmare The ability on Braids, Arisen Nightmare is a fun throwback to the original Braids, Cabal Minion
