There are offensive, defensive, and value reasons to want to use these effects
Regardless of how it was cast, a prototype card always has the same name, abilities, types, and so on
I was mostly lucky enough to find a Demonic Tutor from someone who knew its value but was happy to let it go for quite a bit cheaper just to find a buyer for it
But here's a mana rock that makes the cut: Midnight Clock is the uncommon case of a colored mana rock that provides ramp to blue, and that if timed properly can put you way ahead on cards
In Commander, this can be clutch against game-winning combos or planeswalker ultimates, and it fits especially well in decks that generate value from legendary creatures entering and leaving the battlefield
Then this process is repeated for each remaining instruction to connive. Rule 701.47d, Official Magic: The Gathering Rules, Page 136 It makes perfect sense that these two mechanics would work the same way, since theyre both actions that creatures take