This means that even if Chernabog, Evildoer is removed by the likes of Be Prepared, Ring the Bell and Mother Knows Best, youre still getting the huge benefit of getting a pile of cards put back into your deck
Similarly, it won't be subject to the turn-based action that adds a lore counter to each Saga you control at the beginning of your first main phase each turn. Suppose I have Summon: Bahamut in play, and place a second lore counter on it
Whenever Ursula, Deceiver of All is exerted to play a song card for free, youll have the option to play that song a second time for free before putting it from your discard onto the bottom of your deck
You get to grab three cards from your discard pile and even play your next card for two lessnow thats what a royal performance should look like
Edgar must be under your control in order to start casting an artifact spell using its first ability, but it doesn't need to stay under your control throughout that process or be under your control as the spell resolves