Here are a handful of useful cards that require you to discard, so you need cards in your hand to use these to the fullest: Born to Drive, Team Avatar, or Abolish
Once Ultimecia flips into her second stage, you get an extra turn for your trouble
If you flash in Opposition Agent in response to an opponent cracking their Scalding Tarn , you not only get to exile a land that you can play later and you can look at the cards in that players hand since you control them
The primary factors: Centering : Japanese printing maintains tighter centering tolerances (consistently 60/40 or better)
Perhaps that increase in card volume leads to these boxes approaching the $7,000 mark, or perhaps its the presence of landmark cards such as The Tabernacle at Pendrell Vale, The Abyss or Mana Drain that keep this sealed boxs price point so high
They basically allow you to use all of your Instant and Sorcery spells twice with no hassle