mayday mini euro card sleeves Games Sleeve, 1.62 x 2.48 Inches, 100 Count : Toys & Games The premium sleeves in this pack are 125% thicker than standard sleeves and there are 50 in this pack Mayday Games - Mini Euro

One way to do this is to group the cards into subcategories based on their evolution lines

For more on the history of the Slivers, you can read my article from Sliver Week ("Sliver Me Timbers" from all the way back in 2004)

The average land count in cubes is 16 however by the time you play a Mind Funeral you expect the ratio of lands in the top half of the deck to be lower than it was at the start of the game

Even though Azorius has plenty of cards that support mill strategies, I'd avoid those and just lean hard on lifegain synergies and let your commander seal the win

Another example, Extremely Slow Zombie, has four different arts showing the zombie slowly reach out to grab you over the course of a full year