Golduck can be obtained from Genetic Apex: Pikachu, Genetic Apex: Charizard, and Genetic Apex: Mewtwo packs in the Genetic Apex set
To actively mill your opponent, youll need to catch them with Didnt Say Please, stick an early Eye Collector (probably the most important enabler), or suffer playing Merfolk Secretkeeper (a combination of very two underwhelming cards, Tome Scour and Kraken Hatchling)
I would absolutely feature Master of Dark Rites in any Cube trying to support Vampires at higher power levels
Firstly, youll get both the enters and dies effects of whatever you exile three times over
Giggling Skitterspike This four-drop artifact 1/1 monstrosity 5 indestructible is next
There is now a significant number of players building Commander decks composed entirely of error cards, which brings demand to a new level