One thing about Sunrise a lot of opponents forget, ANY attack involving another hero monster besides Sunrise, whether it's you or your opponent attacking, allows you to pop one card on the field (once per turn)
+1/+1 counters only go onto creatures
FFF Sonic Edge GX 220 This attack's damage ignores all effects on the defending Pokmon
Well, consider the fact that a Mystery Booster pack sells for less than $5, but the average price of a Mystery Booster foil is $17.50
Many of the planes giant monsters have cycling on them, as well, which will allow you to cycle them away for a new card if you wont have enough mana to cast them for a while
Its competitive viability, nostalgic appeal, and limited print run all contribute to its high market value and position as a crown jewel in the Evolving Skies set