Slightly smaller than the international standard, its ideal for authentic Yu-Gi-Oh
If youre playing mono white that creates lots of tokens with Clarion Spirit, or a Commander like Emmara, Soul of the Accord or Prava, of the Steel Legion, Halo Fountain will fit in nicely as a mid-to-late game changer
There was a lot of worldbuilding done to show how the events of the Phyrexian invasion, among other incidents, reshaped these planes
It's cheap, efficient and powerful, everything one'd want from an MTG card
Forcing this horrible choice on your rivals is a fantastic way to whittle their hand down to next to nothing, removing yet more of their options - perfectly devious