KARN "One cannot cleanse the wounds of failure." Karn is a sentient, silver golem who has near-complete mastery over artifacts
Card draw is a powerful resource in Magic: The Gathering, regardless of format, making this uninvited thrasher valuable even if he never takes a swing during combat
These commanders are among the most unique from the release and have potential to cause some price spikes for weird, forgotten, older cards that happen to work with their abilities
Dark Confidants in that conversation too, but has one last chance to shine in Standard with its printing in Final Fantasy
Go to that combat phase and you either get the red Overrun for a great reason to attack with everything, a new hand of options, or you can pick off one of the more annoying blockers or send a Lava Axe to the face and completely change combat math