This is probably the most common type of dual land , but their lack of any upside to playing them makes them arguably less popular than any other kind
The infinite combo itself is simple enough and plays out as so below: Find a way to gain life
Whenever a creature deals combat damage to a player, if that player controls one or more lands with contested counters on them, that creature's controller gains control of one of those lands of their choice and untaps it
If all of the damage is prevented, Fated Firepower's effect no longer applies
If the opponent calls Alive, you will be able to play Well, but you wont be able to fuse Alive/Well to play both, since such a spell has two names, one of which was called for the forbidding effect: 708.2b
Callous Sell-Sword basically does the same thing as Thud does, though the creature technically deals damage to a player, and then dies