Whenever you cast a spell or activate an ability that targets an opponent or their stuff (spells or permanents in any zone, like the battlefield, the stack, their hand, library or graveyard), youre committing a crime
If I played an Emerald deck regularly, I would absolutely consider including four of those Robin Hood cards
This makes it suited to aggro decks, but it will still be a player in Commander going forward
It's only one card, regardless of how many creatures land hits, but you can increase that by attacking more players and by counting first strike damage
*Pack art will vary
Nobody would blame you (or your wallet) from blanching at those numbers, but prospective Pokmon TCG collectors might find an accompanying auction for a Base Set 1st edition holographic Charizard more in their price range