Green tends to have the biggest creatures at any point in the curve, so it lends itself well to stompy strategies that make use of 2-mana 3/3s like Werewolf Pack Leader and Keen-Eyed Curator and such to outsize your opponents and rush them down
You can pay two loyalty to double the number of tokens youre about to make
Gitrog is a mount with Saddle 1, which means a creature with at least 1 power can be tapped to mount Gitrog
But thats fine, as Sapling of Colfenor has the handy indestructible keyword, so theres no way its dying from combat damage anytime soon
The reason behind this is currently unknown, but its likely due to disparities between printing locations, which vary from country to country
You can pay five mana and your whole Elf army gets +3/+3 and trample until the end of turn, a classic overrun that ends games out of nowhere