New sets release every few months, but the window to grab anything at retail is brutally short which is why timing, automation, and a solid technical setup are the difference between landing a box and refreshing an empty cart
Well, your deck derives an advantage from building up a board over time
In terms of sacrifice outlets , youre looking at playing Golgari Guildmage, Nantuko Husk, and Vish Kal, Blood Arbiter
How does shipping work
I suck at math, but luckily Frank Karsten covered this very problem in an excellent article that I highly recommend reading
For all intents and purposes, drawing cards from an artifact's effect is the exact same as drawing cards from a green creature's effect, or a white enchantment's effect