If a legendary permanent or an artifact entering or leaving the battlefield causes an ability of a permanent to trigger, you also get to trigger that ability a second time, so you can double up on any benefits that you get from these cards, so its an invaluable asset
It's been a fan favorite for decades now, and its popularity only grew when it gained an amazing regional form Alolan Ninetales
The last lines of text help it skirt Commander Tax by sending The Scarab God back to your hand every time it dies
Duskana, the Rage Mother Duskana, the Rage Mother has an incredibly interesting design
I would usually use the Dragon Type to double-check: since I somehow learned that Dragon-type Pokmon are weak to Ice-type moves (probably from the internet), and since nothing else beats the Dragon Type (except itself), and since the Dragon Type is conveniently at the very end of the chart, it would be the easiest column for me to read at a glance, and I could then use that knowledge to orient myself