It allows you to build up your digital collection at the same pace as your physical one, and entire formats on TCG Online were built around the codes you got from the preconstructed decks
Again, its not as broken as Tolarian Academy (how could it be?), but being able to produce white mana based on the number of enchantments you control can still lead to some truly bonkers turns, especially for Enchantress players
It grows several feet a year
The alien Stitch, meanwhile, can Shift to be played for a lower cost - four instead of six - on top of a Stitch card already on the field
That said Im gonna work on the Space World set first before any get released
Combat tricks are at their best in formats defined by racing and weak removal (like Ixalan or Avacyn Restored) and at their worst in formats defined by card advantage and powerful removal (like War of the Spark seems to be)