Invasion block was all about gold, its Constructed decks were full of gold, and its drafts had players first-picking common mana fixing like Harrow and Fertile Ground over everything but a few rare bombs
The Aetherspark is incredible in Cloud's hands
It takes any Vampire deck and gives them different modes of attack, as the -3 ability can immediately accelerate a larger threat on the battlefield that your opponents must deal with immediately
Just like the show, however, some of the synergies are just way too disjointed from each other, like the plot between seasons, to consistently win your games, unless you are a Time Lord and can manipulate the deck to its limits
That covers creatures, of course, but also Food, Treasures, Clues, and all the other artifact tokens that have made themselves at home in recent Magic
Seems like a Commander staple, though