And you could get Gaea's Cradle and bump up your mana production a lot
You can play the lock combo of Karn, the Great Creator and Mycosynth Lattice for free, drop crazy stax pieces like God-Pharaoh's Statue or Wandering Archaic, or keep it simple by casting free eldrazi like Ulamog, the Ceaseless Hunger and Kozilek, Butcher of Truth
The plastic case can store up to 80 sleeved cards and protect them from damage.
On MTGO, running a third Campfire or a fourth Hydroblast always pays off, especially against grinders who triple-queue and consistently register Mono-Red in tournaments
Fun to play, fun to collect
Steels damage abilities make the banish choice highly valuable against Tamatoa and Mufasa in Sapphire, tricky Evasive or Bodyguard characters, or anything you just need gone