It has a dead simple interface with tons of customization options and plenty of ways to use them
You're guaranteed to find a hit with its ability revealing until you get a land, which takes away lots of the risk
It commonly goes with commanders like Krark, the Thumbless or Vial Smasher the Fierce that have strong triggered abilities to double, but most decks are happy to have access to blue
As a 4/4 flyer with infect, it can stack up poison on a single opponent fast, especially combined with his cheap haste-granting ability, particularly useful when Skithiryx is rising from the command zone multiple times a game
Therefore, Undying triggers
Wizards of the Coast and Square Enix have knocked it out of the park with this Universes Beyond crossover and Ive been completely caught, tangled up, in its web