It did very well at FNMs back in the glory days of Scars/Innistrad, and is preserved here the way it was for posterity
While it is missing some payoffs (namely ones that have storm), the decklist is very good at what it's trying to do - create creatures by playing as many instant and sorceries as possible
When you play them, they go onto the board sideways in landscape
Path of Annihilation Marcy: Fairly interesting little ramp card, if a little slow in doing so, but it does sort of give you Eldrazi Convoke
This was also for Coliseum in which a Time Traveler player had access to Do-Over and Time Machine
Its never been much of a Commander card, its been woefully power crept out of any real Constructed format, and my highly anticipated Oops All Rhinos format never really took off