Control Spells: 8/10 What Magic really always needs is more variants on [casthaven]Force of Will[/casthaven]
You get value regardless of what happens to Mulldrifter afterward
For example, if you used Souls of the Lost to craft Wretched Bonemass, its power and toughness while in exile are determined by the number of permanent cards in your graveyard, and Wretched Bonemass's power and toughness will change as the number of permanent cards in your graveyard changes
Woodweaver's Puzzleknot: [Category 1] 2 mana in, 3 Energy out, then 3 mana in, 3 Energy out
Even after all this effort, unlike Perish Song, Sinners Judgment wont kill everyone
A significantly less dramatic drop, but one that'll still bring a tear to the eye of any collector of the most expensive Magic cards