That is, it would be if it wasnt for a pretty big loophole
The big downside here is the additional casting cost of returning a card from exile to an opponents graveyard
According to Mark Rosewater, these reprintings upset the silent majority of Magic collectors, and Wizards once again changed the reprint policy, this time to include premium versions of cards
You would take half with Gisela out, so just a single damage per nonbasic land you are running, while your foes double, so essentially four damage per nonbasic land they control
So while Council of the Soratami is a brilliant side of a card to have as a backup it is not a great reason to include as the main function which it invariably is due to five being so very much in the cube
The important detail, though, is that we know it takes roughly 100 boxes to get one specific foil and that means even if they sold 100,000 of these (more popular than any SL ever) thats only 1,000 copies of each foilfor now