You can choose any value for X
Best Set for Expected Value Deflecting Palm | Illustration by Eric Deschamps This isnt really my personal ballpark, honestly (#mtgfinance)
Of course, the easiest way to get these extra turns is to make the Prophets unblockable, which, conveniently, can be done with a simple activated ability every turn from Merfolk SovereignMerfolk Sovereign
Overall, Cecil, Dark Knight and Dark Confidant mark a new direction to approach both early-game aggression and long-game resilience
You might not have thought that given how beasts tend to play out in other MTG formats
As in, it has been a part of Magic since the original set, Alpha