For those newer to Magic: The Gathering, the whole point of Jumpstart is speed: take two boosters, shuffle them together, and you have a playable deck with all the Lands already included
More than just depiction issues, however, six mana is also very steep for a simple ETB removal effect, even if the condition does guarantee that it can destroy almost any target
When you put Dockside into games that drop more mana rocks and other permanents on T1-2, it can make an egregious amount of mana as early as Turn 2
Thats pretty much why it isnt #1 on this list, power level notwithstanding what good is power if no one is allowed to use it
The Sideboard VS Rakdos Sacrifice Out: In: This mirror match is incredibly volatile
Of course, I break my own system too