This fairly recently printed card is extremely powerful in the right shell
Cards like Circle of Power and Cornered by Black Mages are the crux of this strategy because you can stack up Wizard tokens and eventually burn your opponent out
Cards like Displacer Kitten, Essence Flux, and Ghostly Flicker play nicely with commanders that have enters abilities like Kefka, Court Mage and Plagon, Lord of the Beach and with common support pieces like Inalla, Archmage Ritualist and Archaeomancer
If you chose the Cura mode and the target permanent is an illegal target when Restoration Magic tries to resolve, it won't resolve and none of its effects will happen
Heres your primer on arguably the most complex token design in Magics history
For reference, these cards always performed highly in our previous rankings