You really look at the very small details of every card
However, its worth keeping in mind the fact that our delve spells are turned off by Rest in Peace and Leyline of the Void, so perhaps we are better off just having a plan to deal with artifact and enchantment based hate cards.
If you want to read a bit more about what the rotation is, feel free to check this article
[Lightning][Colorless] Scar Strikes 100+ If your opponent's Active Pokemon already has any damage counters on it, this attack does 100 more damage
This card is better than Naturalize on a number of levels, first and foremost is the vast one mana difference in their costs
Assuming you have any sort of board position there is a high chance casting Overrun would end the game, I have had countless where I have done enough damage earlier that simply +3/+3 and trample is enough to see my single dork to victory