This works almost identically to Time Warp (Time Warp you can actually choose to give another player another turn if you want)
Path to Exile and Rapid Hybridization provide some instant-speed removal, Chart a Course , Cut a Deal , and Rowdy Research provide card draw, and Calamity of Cinders , Dusk/Dawn , and Time Wipe are your requisite board sweepers
Having those discussions was a great bonding activity
One unblocked or trampling double striker gives you two extra combats in a Tifa deck, but youre also in good colors for Anzrag, the Quake-Mole or Aggravated Assault
The answers were generally either very narrow (Disenchant-effects) or expensive and clunky (Oblivion Ring)
Yes, it takes a lot of mana to cast, but you can also immediately generate an additional 15 mana after casting it