For example, something as simple as Boromir, Warden of the Tower goes infinite with Ratadrabik, as you can sacrifice Boromir to his ability, creating a 2/2 non-Legendary Boromir, tempting that Boromir, and then repeating this cycle until you have drained out the table with any Blood Artist effect
Based on that, you'd probably think what is this mouse doing on this list
A qui les donner
In Legacy and Modern we see an abundance of U/R combo decks, and the Modern decks might even be interested in playing Temple of Epiphany
The event Disney Lorcana TCG Celebrates 3 Years with Cooperative Tabletop Illumineers Quest will be played in front of a live audience (tickets are sold out)
The big risk is that if the thing its attached to dies, the Aura goes to the graveyard too