Dinosaurs had existed, but we'd removed them in Oracle updates
Just like Path to Exile, it's actually card disadvantage, (you trade your card to exile/destroy one of theirs and they get a land - total cards - You lost 1, they lost 1, and gained one, for a net of 1 card their way)
If you do, create a token that's a copy of Copy Catchers
which will trigger effects like Ugin's Binding or Kozilek's Unsealing for much cheaper
The beauty of Themberchaud is, much like Kokusho of old, it can come down in the mid to late game with the right setup and sweep the game out from under people
Shambling Cieth Rating: 3/10 Shambling Cie'th seems really at odds with itself