the professor mtg card Onyx Price Reading the card explains the

While it's great to steal your opponent's cards, having plenty of your own cards in hand is not a bad idea

Its often cheaper to mill yourself for a bunch than draw an equivalent number of cards, and there are plenty of strategies that allow you to convert cards in your graveyard into valuable resources at your disposal

As you build your army with more +1/+1 counters on them, cast Herald of Secret Streams so they become unblockable

You probably want to draw at least 3 cards with this for it to be worth playing

I dont want to do this anymore and Im only on K Do all of these even need a justification

Going into the late game, youll get twice the mana from Treasures, and dome your opponents when you use them to cast spells