All the decks have characteristics that can help identify them easily, being the 2 Player Starter Set the hardest to recognize
Admonition Angel - Speaking of Karmic Guide, one of the most powerful positions this deck can be in is having just reanimated a couple fatties, and then "suspending" karmic guide under something like an admonition angel, so that if the board is ever dealt with, karmic guide can start the chain of bringing them all back
Others like Enchantress's Presence from Onslaught and Sythis, the Hidden Hand from Modern Horizons 2 will draw cards to keep finding shrines
Richard: Yeah, that's safe to say
For example, if you control ten permanents, lose control of one, then planeswalk to The Golden City of Orazca, you won't have the city's blessing
It is so good against graveyards that you'll see this classic in decks that don't even have black mana