Obviously it is a big one shot sacrifice effect that can be used for the combo kill
Sometimes white has some great removal (like Oblivion Ring or Pacifism), but in this set, the best we have is Devouring Light
Decklist 2 Aspirant's Ascent 3 Bring the Ending 2 Croaking Counterpart 4 Distorted Curiosity 7 Forest 7 Island 4 Ivy, Gleeful Spellthief 4 March of Burgeoning Life 3 March of Swirling Mist 4 Shore Up 2 Spara's Headquarters 3 Stormchaser Drake 3 Tamiyo's Safekeeping 4 Tyvar's Stand 4 Venerated Rotpriest 4 Yavimaya Coast Ideally, youll want Ivy, Gleeful Spellthief in your starting hand, alongside Venerated Rotpriest
If it is less than 30 minutes, you will likely have to pick up your pace of play
That way, you'll still have something to do besides twiddle your thumbs when Deadpool costs 10 mana
This is powerful in those builds as well