If theyre in any way playable, only able to be opened in Collector Boosters, and in a set without Serial cards or a chase land cycle like Fetches or Shocks
You do need to deal combat damage to steal artifacts, but with its flying and trample, this is trivially done and will trigger even if just one damage gets through
The Breena I purchased for this video was really out of shape on arrival, but after a few days in an airtight bag with an 8-gram Foil Armor pack, the card returned to playable form like magic
But its nonetheless a very powerful and popular Naya commander, being able to give at maximum +3/+0, double strike, vigilance, and trample to your creatures, and thats like a permanent Overrun if you have a small army
We're doing it old school style with bingo cards and cardboard markers to cover the numbers
Similarly, a [X] cost becomes "Reduce enchanted creature's toughness by X." You can't pay a cost that would reduce enchanted creature's toughness to less than 0