The ability for Omega to pretty much take enemy cards out of the game might be the reason it sees play, even with its expensive summoning cost
Do you play any of the eldrazi legends as a commander
Cards like Breach the Multiverse, Expropriate, and Fevered Suspicion are ideal to cast for free, ramp to, or copy
Blaziken's other attack, Max Blaze, requires 3 Normal-type Energies and deals 130 damage
While some of the most valuable Evolving Skies cards eclipse those found in Roaring Skies by a wide margin, both sets boast stunning Rayquaza artwork
Lands often have no use late game in limited, so sacrificing a couple to give yourself a few extra cards never hurt, especially when the additional costs involved "tap" and not "spend mana"