Expect a mini Lore Nouveau article another time
There are multiple cards that care about the number of creatures you control such as Riona Heartilly and Snow Villiers to encourage you to go into Selesnya if you get them in your pool
For example, if you put Null Profusion (an enchantment that says your maximum hand size is two) onto the battlefield and then put Venser's Journal onto the battlefield, you'll have no maximum hand size
Four mana to draw a card, one of which goes to your opponent , is abysmal, and I think Id rather concede the game than entertain the thought of activating it
BPhillipYork : There are some pretty fat creature tokens you can copy, or there are now plenty of ways to copy permanents on the stack, and this will enable that strategy going fairly nuts, but then needing to cast creatures to keep generating your tokens is a bit of a non-bo