If you look at the original printing of cards like Elvish Champion, Troll Ascetic, or Thrun, the Last Troll, youll see that regeneration was a classic way to ensure those creatures stuck around
Youll want to be jamming with Yuna, Hope of Spira (just like the potential new best deck in Standard!), use Sanctum Weaver for big mana plays, and take advantage of the many enchantress card draw options, from Sythis, Harvests Hand to Enchantresss Presence
It does make Razor Golem into a cheap insurance though, which is cute
At the beginning of each opponent's upkeep, this enchantment deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control
The deck is slow and complicated with so many decisions to make, but with the right build, it can answer everything Vivi tries to do