Cecil is just a well-statted creature for the early game, but Zack actually offers some welcome utility
Using Spine of Ish Sah and mana generators like Caged Sun can ensure your opponents threats are under control
I like it when you can use a drawback to your advantage which is highly achievable with bounce lands, you can re-use your Teetering Peaks style lands or cycle off a Tranquil Thicket, you can turn on your Land Tax or abuse Cataclysm
As the card's title suggests, he starts the game out as a dark knight, acting in service to the kingdom of Baron
Some of the cards plain suck
It's great in midrange as an ETB removal dork, reanimation to discard, kill, and recur, or just generally from Cube to Five Color