There are no other restrictions on playing gods with one another in the same deck
Crispin is better than most other Energy searching effects as it lets you attach one of those two Energy cards to one of your Pokemon in play, no matter if they are your Active or Benched Pokemon
She not only gets +1 lore for having a hero character in play, shes a hero herself, meaning you can quest for three lore if you have Anna True Hearted up and running
While the memo doesnt mention an extended card collection, its likely McDonalds will offer the same 50 cards included in the US promotion
Also adorable is the race or creature type or whatever that this creature has
Googles dictionary gives us this: synergy ?sin?rj?/ noun the interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects