most valuable cards mtg lord of the rings This 1-of-1 'Lord of the Rings' Trading Card Could Be Worth $2M The five most expensive cards:

This was $550 only yesterday, so a massive reduction, all things considered

The first sets that contained serialized cards make up the bulk of this, with up to 65 cards getting 1 in 500 serialized versions

So, particularly with more experienced players, you may hear or read the term casting cost instead but now you'll know they just mean mana cost

Their ability is incredibly simple, If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead. Basically, any damage you dealt is increased by two, which means you generally want to hit with lots of sources, instead of just one