The deck is usually filled with counterspells to protect your board state and also runs plenty of infinite combos with Niv-Mizzet, allowing you to draw your entire deck and burn your opponents out of the game
These dont always work, but they often have great targets, whether thats effectively countering a counterspell, pointing removal towards someone elses creature, or best case, making a Time Warp target you instead
His back side has it so that your wizards are dealing double damage to permanents and players, which include the tokens he's created
At other times, they may have more cards in hand than their maximum hand size
While EDHREC is great for seeing whats popular, its very easy for some hidden gems to fall through the cracks