Any aspect of the card, from its attribute, typing, stats, or even lack of effect could be the difference between it being mediocre and an important combo bridge
Recently found out that Jalan Jalan Japan in Johor Bahru sells Pokmon single cards, and they occasionally have bulk promos too
The Green one Leyline of Mutation lets you play your stuff with the alternate one mana of each color option, like Fist of Suns, and this cannot be played outside of that color combo in Commander
If this card is sent to the GY: You can target 1 monster your opponent controls with 1900 or less ATK
Rolling Stones only gives you an attacking 2/2 in the air, not exactly a lot
Firstly, as long as the Gitrog Monster is in play, its controller is able to play an additional land on each of their turns , fuelling the need to sacrifice lands