If you are running away with the lead and fear a board wipe or opponents tag-teaming to catch up, dropping a Ravage of War can stall other players moment and allow you to grind out the win with what you have on the field at the time of casting
Then if it has four or more quest counters on it, you may copy that ability
If you can consistently -X to get something good back right away then its fine, though the -8 is a bit of a pipedream
You can also consider cards like Searing Blaze, Blooming Blast, or Ravaging Blaze which allows you to hit a creature and its controller at the same time
This card's stunning art shows off the spider's horrifying scale as it emerges from the foggy forest by having a handful of comparatively puny humans in the foreground
Ancestral Recall was an iconic and expensive card at the time it was banned, and removing it from the card pool was intended to combat the notion that Commander is a prohibitively expensive and inaccessible format