Chittering Illuminator is one of the best to help non-squirrel decks with a cast off the top of the library effect
The First Chapter Starter Deck Emerald & Ruby Emerald Ruby has never really been a meta ink combination and perhaps this starter deck shows why
She drew her weapons back and stabbed again, this time piercing the base of its neck
It comes in at 3 mana and then attaches for 2, only to be bounced to your hand the second you actually use it
Use her on your big lore generators, and they can sit safe from any kind of challenge or damage, ready to go again next turn
More commonly, you see Overlord of the Balemurk in Pioneers Mardu Greasefang, which does a rather stellar job of throwing key cards such as Parhelion II and Skysovereign, Consul Flagship into the graveyard that can re-enter play with Greasefang, Okiba Bosss trigger at the beginning of combat