Ashnod's Coupon Now, this one is a silver-bordered card that deserves to see a lot more play
To get to your big blue sphinxes faster Grand Arbiter Augustin IV is a salty way, but rightfully so, Misleading Signpost does impressive redirecting work and sticks around as a good blue mana rock, and Midnight Clock does the same, except sing a bibbity-bobbity-boo and it gives you a bunch of fresh cards, thankfully it does not specify Enchanted Carriage
Before we dive in, here are a few more handy guides that can help you plan your perfect deck
Graded Population Report: Keldeo #XY118 Visualize the distrbution of grades in the chart
also represents the Sphere of Mercury
Modern Hammer Time decks have evolved beyond the use of Cacophony Scamp, but it's a nice way to demonstrate this card's potential