As with its evolutionary line, the flame's extinction can prove fatal
You either: Make a tapped and attacking green Dinosaur token with trample and a power and toughness equal to the greatest power among other attacking creatures you control
All five of these are destined for the deck
The flexibility of exiling key permanents such as Amulet of Vigor or Aether Vial is extremely relevant in a format as diverse as Modern, and many decks are even opting to splash an additional color by adding off-color Shocklands or Tri-color (Triomes) lands to their mana base, so they pay an additional color for the converge mechanic on Prismatic Ending
Similarly, energy cards will have their name and type symbol printed along the top-left so that they can be read when tucked behind the attached Pokmon
Sadly, there hasn't really been a place for Sarkhan in Standard, but it's more than suited to Commander players looking for a card to support their Dragon decks