Having access to this effect in the zone opens up new possibilities for deck building, especially when combos involving Exquisite Blood and Sanguine Bond are on the table
The first card I pulled in 1999 was Electrode
They allow a player to reduce their opponent's life total quickly
Popular Tokens commanders are: Trostani, Selesnya's Voice Rhys the Redeemed Purphoros, God of the Forge Winota, Joiner of Forces Jinnie Fay, Jetmir's Second Counters Counters' decks profit from having counters placed on permanents and players, using effects like Proliferate, and cards that care about specific types of counters
It makes it easy and possible to go wide with Human tokens, taking advantage of several of the cards in the deck to make that token army overwhelmingly strong
Vanishing Verse Most combo pieces are actually mono-colored, though some are artifacts and that can be problematic