If you can attack several times with some well-armed creatures, you may just break through your opponents defenses
Magikarp may not be everyone's favorite Pokmon to use in battle, as it is not traditionally a strong or impressive little fish monster, but this card is certainly one to impress
While this isn't the only thing that determines a card's a value, it's probably the biggest
Their metallic gold treatment makes them stand out instantly in a binder
The other key pieces of the puzzle are spells that add mana, like Pyretic Ritual and Manamorphose, since they tick up your storm count higher and higher while not tying up your mana for the turn
Like athletes in the sports card world, the popularity of a card often contributes to a cards desirability