The bonus from Gran Pulse Ochu's last ability is determined at the time it resolves
I hope you aren't getting tired of bounce decks just yet, because they are not only going to be sticking around, but probably getting even better now with Elephant
Instead, he was trying to come up with a new version of Plague Rats
This means that every single creature in your deck works with Prosperous Thief, Ingenious Infiltrator, Yuriko, the Tiger's Shadow, and Kaito, Bane of Nightmares, which is a pretty significant power-boost to the non-ninja creatures in your deck
An example is Summon: Shiva, which plays like a normal Saga, starting with an immediate effect and getting a lore counter each turn, before getting sacrificed after the last one is placed
Factor in the current rarity unbalance and things look even worse