When combined with Yveltal-EX, Dark Patch makes it much easier to attach high counts of Energy to take a OHKO on the opponent, or set up Y Cyclone in a single turn with just a Dark Patch and a Double Colorless Energy
The fatigue that has seemingly come from the creative teams in recent years was far ahead in the future, and some great concepts were making their way to Johto, which would eventually stand the test of time
Its worth so much for a reason
When you attack, you look at the top four cards of your library, take a Hero from among them into your hand, and put the rest on the bottom
Unfortunately, the good ol' MTGFinance community identified that too, and since War-Riders is on the reserved list it got bought out quick
What I found was that the Mono-Blue Devotion deck was still trouble