The baseline: 10 sources, then adjust A ton of Commander deckbuilding templates start with about 10 draw effects as a baseline
a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card)
They're the cards you're most likely to toss in a drawer and ignore, but they can also have a huge impact, particularly in Limited games
Remember that creatures have summoning sickness when they first enter the battlefield, meaning they cant attack until next turn (unless they the haste ability), though they can defend against incoming attacks (more on this later)
Instants and Sorceries (for More Wraiths!) A convenient element of playing a payoff for casting spells in the command zone is all the card draw and interaction youre packing doubles up as token makers and a win condition with your commander in play
Anytime any player sacrifices a nontoken creature, you get a 1/1 Insect creature token with flying