mtg lord of the rings commander decks ranked Set of 4 The Lord Of The Rings:

That goes double for a Niv-Mizzet, VisionaryNiv-Mizzet, Visionary deck, where the more efficient burn spell you could be playing instead for one mana will draw you more cards to get more burn spells and keep the whole cycle going

These, in exchange, have certain thresholds that, when met, grant a certain benefit or ability

Things are even worse if you do this with commons

Chapter II is where you get paid off for milling cards because you can return all lands in your graveyard to the battlefield tapped

In the event that you are pressed for life, even in a Commander game, Sylvan Library still lets you draw two cards and put two back, at the very least improving the quality of cards in your hand for a turn or two