This deck has only 26 nonland cards, each starting with a different letter of the alphabet
Chatterstorm is great for similar reasons, though its limited to sorcery speed, so you wont take advantage of a spellslinging opponents turn
However, I think having Osgirs tap ability usable at sorcery speed means opportunities for artifact creatures to be sacrificed during your own turn and generate a few more Treasures than usual
Honorable Mentions Scar Heartless Hunter is a lion with Teeth and Ambitions strapped to him like a bomb
Lord of the Rings updated the mechanic to make unique armies, but all the amass cards from War of the Spark generate zombie armies
The mirror match is one in which the main deck is already mostly prepared to battle, but the addition of two more discard spells can make for all the difference in these fights