Use the cards you milled to escape the Diamond, which you use to cast Brain Freeze again, and so on and so forth, until there's enough storm copies of Brain Freeze to mill your opponent
Oftentimes, these cards are fun spinoffs of real Magic cards, such as No Mercy and Snow Mercy, and Mishras Workshop and Mishras Toy Workshop
Commander deckbuilding is all about maximizing the value in each card slot, and Deathrite Shaman serves as ramp and graveyard hate in one
Keep your best creatures on the battlefield late into the game by trading up any other creature you can stick
Trinket Mage 3.5 This would easily have been a 4.0 or higher with the power still in the cube and was comfortably in the top 10 creatures in the cube for a long long time
She has a cost of three if you want to play her, and she has a strength of two and willpower of three