you posted that an unboosted X-scissor only does 70% to a wall. wow it sure isn't powerful.
if you want I can post all the calcs for every pokemon in UU, Rhyperior, Cressy, Regirock, Steelix, Donphan, Slowbro, Milotic and Venusaur are the only ones who avoid 2HKOs, almost all fast sweepers...