The other thing to keep in mind is that it counts all creatures that are destroyed during your turn, not just your own
Theres a horseman who ends up as a literal horse-man hybrid, a fisherman who ends up as a Eldrazi fish, and a pair of angels that Meld
You know the ones: Gloomlake Verge, Blazemire Verge, Floodfarm Verge, Hushwood Verge, and Thornspire Verge
In the end, the pros and cons of these extra, unusable cards are such that either one could be argued as better than the other by anyone who likes them
There are subcategories within these rarities that make things a bit more complicated, but at the most basic level you can determine rarity at a glance by looking at the symbol to the right of the collector card number
In a post- Battle for Zendikar world there are a good handful of smaller Eldrazi that could be upgraded with more power and toughness by our general and still benefit from small traces of Zombie tribal