Obviously negative ratings followed
It doubles the amount of mana your Blue sources produce allowing for a more explosive turn than expected
The pantheon of the plane is very much represented, with gods like Thassa and Iroas making an appearance but the planes creatures like the Chimera and the Pegasus are in there too
The other Commands (save for Silumgar's) all have dopey options you never really want much in multiplayer, Commander, or casual gaming, like gaining four life, preventing damage from a spell, or turning off life gain for a moment
He had very little to do with the games, though he did play a key role in creating Lugia
When that creature dies this turn, create a 3/2 red and white Spirit creature token