Only one way to find out, and that's to do what we always do on Innistrad: ignore the consequences and charge right into the darkness with no regard for personal safety or preparation whatsoever and why are you thinking let's just go Day & Night, Daybound & Nightbound Not everything on Innistrad is as it seems
Because cumulative upkeep now uses age counters, Chisei, Heart of the Oceans can eat an age counter from a cumulative upkeep card, thus keep the cumulative upkeep cost manageable while also keeping the 4/4 flying creature alive
The important thing to note here is Soaring Lightbringer doesn't need to attack for you to get that token
Some Definitions Before going any further, let's take a brief pause to cover some technical definitions because the terms can become quite confusing
Pia Nalaar, Consul of Revival is the perfect home for this new card
Thankfully, Zendikar Rising is a pretty good set thats filled with some exciting new mechanics - and the return of some other favourites, too