Many cards have powerful Void abilities, which makes blocking quite hard in this format
I highly recommend reading his article, and some of the discussion below relies on you looking at it
And then theres Wedding Announcement, a card that gives you creatures to buff
Perhaps one of the most unsung champions of this mechanic, however, is Shadowmoor
Other Builds Lavabelly Sliver | Illustration by Mark Behm It may seem like The First Sliver is a one-trick pony at first glance, but thats definitely not the case with any 5-color commander
Tapping a creature when he attacks is good, and getting bigger with each artifact you play can be nice, but with no evasion and no protection he's likely to just get removed before you have a chance to do anything