Drakloak tends not to be run outside of decks featuring its fully evolved form, Dragapultespecially Dragapult ex
If you played it against an aggro deck, not only did you gain some life and set back their aggressive strategy, you also would get a 4/5 blocker that could stop most of their threats
Frank Karsten writes some fantastic Magic content using his vast expertise in math to do analysis on what people do and what people should do regarding card choices
Ignore the fact that you also have the Ephemerate is Plague Wind side of this or the this is all costlessly attached to a Shriekmaw body so theres not a real cost to playing it, why are we so interested in telling people they dont deserve to control any creature they hope survives
Thats why creating the final copy involves paying attention to different things than when drawing drafts
The latest set, Zendikar Rising , is currently being slowly revealed, and Magic: The Gathering Arena is still doing great, providing a virtual avenue for players