When you have some artifact creatures on the battlefield, casting Delete only destroys your opponents creatures
Its not even conditional, so you dont need to build around it
Shout out to the Lorwyn Command cycle which almost made the cut
Opponents: Koma, Cosmos Serpent, Muldrotha, the Gravetide, Tevesh Szat, Doom of Fools / Armix, Filigree Thrasher, O-Kagachi, Vengeful Kami Starting Hand: Windswept Heath, Arid Mesa, Plains, Bonders' Enclave, Serra Paragon, Gisela, the Broken Blade Meld , Archangel of Thune Thought about not including this one either as it was a slow hand and a fast game
Witch Enchanter // Witch-Blessed Meadow is the perfect example of this
No player may take actions between seeing the result of the flip and all nonland permanents being destroyed