I have played (on the draw obviously) Blackmail and had it be better than a Coercion (they had a land I could take!)
Smothering Tithe has been a point of contention in the Commander community over the past year or so: some players hate to play against it, and others feel its the kind of tool white needed to stay relevant
If you can see it on screen, we can put it on a card
Red: Deflecting Swat, Bolt Bend , Wylls Reversal , Wild Ricochet, etc
Well, playing a site is effectively playing a card with 0 mana cost
Many frog commanders play in spaces that tie into having lands in your graveyard, whether youre sacrificing them to The Gitrog Monster or milling / surveilling them with Grolnok, the Omnivore or Glarb, Calamity's Augur