We play Rydia early enough that we can ramp and use Rydia's landfall ability to fill the graveyard with Saga creatures by discarding them
An invisible ink card is a special variant of the regular version, that basically looks the same, but is exclusively foil and has extra in-universe text from the investigative crew taking notes about the character
The set of creatures affected by Oddric's ability and how they are affected is determined as the ability resolves
MTG Murders at Karlov Manor story Ravnica, with such wholesome guilds as the killer clowns, vampire bankers, zombie farmers, and sneaky assassins is pretty murdery already
As such, every kind of deck archetype is playable, and there is no shortage of them
The main reason I say these arent worth it is that a set pack from the LotR set is about $6