A maximum of one nonbanding creature can join an attacking band no matter how many creatures with banding are in it
With a brick count of 1,254 pieces, you're only paying about 6 cents per brick, which is a phenomenal deal for a ready to build kit
The card draw cost here is definitely lower, and it has two other advantages: its first effect can allow you to get rid of cards you may not want and prevent you from drawing, and the hellbent effect can be repeated more than once each turn if you can keep playing the cards youve drawn
1.The Darkness CrystalThe Darkness Crystal A one-sided Leyline of the VoidLeyline of the Void with added upside, and an absurd activated ability
This 2/4 rogue artificer legendary creature costs three mana - one blue, one white, and one black
This goes up a bit as well based on how much of an improvement having this is to the ability to keep a hand meaning most mulligans will occur on hands without this in them