If you have the mana then a threat plus cards is what you want most of the time
In the case of Keruga, the companion requirement is that your starting deck contains only cards with a mana value of three or greater and lands
If were building the Starfield of Nyx deck, Herald of the Pantheon is almost definitely a four-of in there
The Zombies The zombie typal deck enablers, including the most popular zombie commander, Wilhelt, the Rotcleaver, are key in any functional zombie EDH deck, drawing cards with Archghoul of Thraben and Undead Augur, making tokens with Headless Rider, recursion with Relentless Dead, and draining life with wincons Diregraf Captain and Plague Belcher
But once upon a time, this was considered a problem card
This is expensive to loot with and just as slow as the dorks but a little safer