First, thanks to its Poke-Body, Dark and Clear, if Suicune ex has a Darkness Energy attached, it becomes immune to Special Conditionsno more annoying status surprises
With the other draw in the deck I figure that the evasion is worth it in the mid to late game when your creatures should be fairly big and you need to either close the game or draw something to help you get there on the next turn or two
In addition to tapping for two mana of any color, Gold-Forge Garrison can also tap to make a 4/4 golem creature token
And we've have stuff like Indrik Stomphowler that can destroy either an artifact or an enchantment
The result of this interaction was previously unintuitive to many players: since that Saga had no chapter abilities, the game defined the "greatest number among its chapter abilities" as zero, and no matter how many lore counters that Saga had on it, it would be sacrificed as a state-based action once it wasn't the source of a chapter ability on the stack (usually right away)