Dockside is intended as a counter to Enchantment and Artifact-heavy decks, including other Treasure strategies, allowing a player to catch up in mana production without resorting to destructive options like Vandalblast
On the other end of the spectrum, for the passive player, Ivory Tower was a great play for the opposite reason
Additionally, collector numbers for ripple foil tokens with the MH3 set code as well as the front and back side order in which tokens appear differ in Creative Energy Collector's Edition, where tokens appear as follows: 1 Energy Reserve (Helper) // Servo token 1 Aetherborn // Servo token 1 Illusion // Servo token 1 Phyrexian Myr (Brudiclad) // Servo token 1 Treasure // Copy token 1 Gremlin (1/1) // Copy token 1 Copy // Gremlin (1/1) token 1 Thopter // Copy token 1 Construct (6/12) // Myr token 1 Aetherborn // Thopter token See the tokens and helper from Creative Energy and Creative Energy Collector's Edition (tokens and helper) in the Modern Horizons 3 Card Image Gallery
And most of all, it's provided additional terminology to talk about the games they want to play, all while reminding folks of the importance of pregame conversations
Suddenly Im making a decision that someone wielding a sword in a dungeon might have to make, or someone piloting a 40-foot-tall walking robot might have to make
She can enable infinite combat steps with Aggravated Assault and Hellkite Charger if you have five/seven attacking creatures so those cards feel like staples in any deck running her (alongside Sword of Feast and Famine and Bear Umbra)