Whether you're looking for a specific color or texture, Dragon Shield provides options that enhance both the protection and appearance of your deck
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
Nature's Lore is also great because the land you find doesnt enter tapped, so it basically only costs one mana unless youre fetching a tap land
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
Lorcana Character cards also will have the card's Strength (damage dealing potential), Willpower (defense or health), Lore value (how much lore it earns when questing)