When it is a benefit to your tribe that cannot easily be interacted with by the rest of the table and in the case of Edgar, does not cost you mana, it becomes something that leaves a reasonably sour taste in the mouths of the player base
Second ability gets you a Shivan Dragon every single turn, which is worth it if you don't need the ramping
In the first game, I cast an early Enchantress and got the card-draw engine rolling
Avatar: The Last Airbender also has its own textless cards in Collector Boosters
for example, your cool counterspell should be blue, your hasty creature is likely red, a card that cares about power is green, and so on
Valakut Exploration The two best things you can do in Magic are draw cards and make land drops, so what if you got to do both in one package