Being able to counter problematic multi-colored cards for a single colorless mana will be a great effect anytime a counter to colorless strategies exists as a multi-color option , and Null Elemental Blast will have the unique effect of making sideboard decisions that much more difficult based on its mere existence in Modern
In The First Chapter we saw a giant Tinker Bell, Hades as a god on Olympus and Stitch performing live as a rock star
Playing stax is all about resource denial
Orzhov is overflowing with excellent reanimation spells: Unburial Rites, Dread Return, and Exhume are classics, and The Cauldron of Eternity and Debtors Knell will allow you to reanimate creatures repeatedly over multiple turns
If you simply cast this spell from your hand for 3 mana, it will deal 2 damage to each opponent and each creature they control
Sure, this may not be as effective as Wakening Suns Avatar, but its still very fun