Most Commander decks are going to want the vast majority of the remaining cards to be creatures, but if youre playing a deck that only cares about a different type of card, say instants or enchantments, then youll likely want to finish the deck off with those instead
Notably, crewing a Vehicle does not set its power and toughness, so a Vehicle will be a 2/2 creature once crewed
Timeless Witness is the newest card to feature this ability, and even pulls double duty as a to-hand recursion spell for even more graveyard value
A 2/2 isn't the most imposing threat in the world, but it can just sit back on defense and soak up an entire hit from an attacker of the corresponding colors, without ever batting an eyelash
This can also be a way to defend against graft creatures
Costing just one black to cast and two more to equip, it gives the equipped creature +2/+0 and deathtouch