Junk Synchron would remain one of the better options for using the mechanic to the point where, even in retro formats like Edison, it still sees play
I love how thematic it feels that it deals 4 damage when it enters, and that cheap equip cost may feel restrictive in limited, but can be easily built around in Commander
This can set your hand up with a Babycerasaurus for popping with other card effects, or can load up your graveyard with cards that trigger in the graveyard such as Miscellaneosaurus or Giant Rex
One of the tricks R&D uses is to put multiple cards in the same card code slot as a way to say "These cards cannot both go into the set so we're trying them out." This keeps the lead designer from constantly getting comments that the cards are too close
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Blurb on the back cover (image, text)