While one mana on its own is nowhere near the amount that Dockside would generate, it might be just enough to get you to cast your commander early, and when used with a card like Birgi, youre netting two more mana than you spent into it, making for a better trade off
And not to mention the new card The Gaffer, a brand new way for White to draw cards in EDH whilst respecting the boundaries of white card draw
The card shows its age in its rules text as it makes use of the outdated term "bury." Cards with the bury mechanic have been errata'd to say instead "put a permanent into its owner's graveyard" or "Sacrifice this permanent." In other words, the true cost of playing the Dreadnought is in having creatures with a total power of 12 or more on your board to sacrifice when it enters the battlefield
You can bet Commander players are going to take full advantage of that fact
Expired MTG Arena codes Wizards don't set these codes up to work forever, and (as we said) might be phasing them out altogether
" Torgle, mountaintop boatmaker Village Ironsmith (Innistrad): Yavimaya Wurm (Urza's Legacy): "When the gorilla playfully grabbed the wurm's tail, the wurm doubled back and playfully ate the gorilla's head." Gorgon's Head (Born of the Gods): "You slew the gorgon
