The trait "Bodyguard" means the card enters play in the exerted state
ST24 Green Jewelry Bonney ST19 Smoker I usually rank Black Smoker higher since the Leader has an effect that synergizes with your removal cards, reducing the cost of an opponents Character to help put it in range for your KO effect
Bloodbraid Challenger WotC has this habit of calling up notorious cards, however, the cost to do so oftentimes includes significant tweaks
Make the player doing the best take the smallest life total
Sultai Arisen The ability to pull cards from your graveyard is inherently powerful and both commanders, Kotis, Sibsig Champion and Teval, the Balanced Scale let you do that every turn
This set drastically lowered the barrier to entry for competitive play by re-introducing hard-to-find, expensive staples (like the 10-cost Doflamingo and Katakuri) back into the market in massive numbers