Competitive Lorcana decks run multiple copies of the same cards, and less different cards
According to Scryfall, the numbers actually 3,147, spanning from Abandoned Campground to Zul Ashur, Lich Lord
Cloud's allies from Final Fantasy VII, such as Tifa, Martial Artist, Sephiroth, Fallen Hero and Red XIII, Proud Warrior, join him to further this strategy and provide payoffs or enablers for having massive creatures past that 7 power mark
Vampire cards often pair well with sacrifice effects, and Blood Artist combines well with another Vampire standout, Falkenrath Aristocrat (which almost made this list) to create a potent combo
We can also apply multiple replacement effects to a single event