(To mill four cards, put the top four cards of your library into your graveyard.) Illustrated by: Bartek Fedyczak
In a deck like affinity, these artifacts will build up your affinity count, all while burning the opponent with Ingenious Artillerist to speed the game up
Even that was mostly trying to give protection to something not covered by normal protection from colors since, in the early days, all artifacts were colorless
I figure it was only fair to have one card reward, um, let's call it experience
Commander falls a bit in between these types, as it can be played both casually and competitively, with the former often being called EDH (Elder Dragon Highlander) and the latter cEDH
Gitaxian Probe + Mishra's Bauble Let's put it this way: A cantrip that you can pay for with life rather than mana, and tells you what your foe's up to, is so fundamentally broken that Gitaxian Probe is banned in Modern and Legacy, and it's also restricted in Vintage, where it's no stranger to top-tier decks