Deathtouch is most common in black and green and, despite its strength, the keyword does have some weaknesses
Stranglehold says that your opponents cant search libraries and if an opponent would begin an extra turn, that player skips that turn instead. The art appropriately shows Karlach grappling some goblins, a good parallel for how this card shuts down opponents options
Of course, it wont touch high-cost cards, which limits its effectiveness against stronger enemies, but you can still clear out weaker ones with ease
The Pokmon card-flipping market has always existed to some extent
(12/7/2018) Effects that would replace having you gain life with some other event won't be able to be applied because it's impossible for you to gain life
Jor Kadeen, First Goldwarden attacks well enough for a 2-drop, especially when backed up by equipment that come in attached to their own creatures, like Citizen's Crowbar or Barbed Spike