how many copies of a card mtg the same can you have in commander deck? Can I have multiple copies

It starts as a 5/5, deals 5 damage to a player to mill five cards, and grows to a 10/10

Night's Whisper might do much the same for your card advantage situation for the mana and it wouldn't becomes useless as your opponent consumed their hand but that is entirely overlooking the disruption caused by discard

But paired with any power boosts, it becomes a force multiplier

Here are some other cards that sacrifice for benefit outside of Korvold shenanigans: After my experience battling against Oko in Brawl, Im thrilled to have Vampire Hexmage in the deck

MTG Arena rewards These days, Wizards hands out free booster packs as MTG Arena rewards to celebrate the release of new sets