A lot of the good cards in this deck are colored, however, so it isnt always going to be a one-sided effect
Fogs are generally pretty useful in Commander: theyre a way to buy some time against a threat, or deny benefits from combat damage (Reconnaissance Mission, for example)
Since the unbannings, Humans became the best deck in Modern, requiring four copies of Cavern of Souls, Teferi has led to the rise of Jeskai Control, and Jund remains playable, if not exceptional
Pendulum Monsters cannot be played face-down in Pendulum Zones
The most valuable Gold Star Treecko of all time is the one that sold most recently, with a $53,680 price tag for a PSA 10 copy auctioned off by Goldin
You can immediately cast a 1-drop and get a lifegain trigger, or you can hold the Treasure and use it as ramp on a later turn