We've got Reclamation SageReclamation Sage, Foundation BreakerFoundation Breaker, and even Bane of ProgressBane of Progress
The only expensive Adventure card financially, Brazen Borrower is a little worse in Commander than constructed
Secret Lair: Doo-ay Noo-lah Between these Universes Beyond reprint Secret Lairs, Doo-ay Noo-lah is the weakest one by quite a long shot
And theres no tap involved, so this can come down, equip, and activate all at once
Weighed card by card, holo and full art cards are heavier - so does that mean you should weigh booster packs before buying them, to have better odds of pulling valuable rares
Cards that are good with redundancy, like Blood Artist or Mirkwood Bats, are very interesting targets to copy, as well as creatures that die into something stronger