Even if you cannot access either "Heavy Freight Train Derricrane" or "Flying Pegasus Railroad Stampede", if you can draw either "Eldlich the Golden Lord" or one of two "Kaiju" monsters including "Gameciel, the Sea Turtle Kaiju" (or Jizukiru), you may still be able to head toward an OTK route
Both of these creatures can be used to whittle away at your opponents life totals while you work
To this end, Brian Hacker actually played 61 cards in his Tempest Block Constructed Humility/Prayer deck, so as to not have to worry about resolving a Grindstone, if push came to shove
Water Girl
This Mega Charizard X has lost around $30 in value over the last few months, but has stabilized around the $350 mark, so hopefully it can reach or exceed its previous peak if you've got a copy you're looking to move on
Instead of DMG infliction, just make it a destroys a card by battle clause, and it can fix some of its issues and may even let people run it in Gladiator Beasts to go from Darius to Bestiari and Even some plays potentially in Fire FIsts