The problem came with the return to Zendikar, which saw the release of the cheaper Eldrazi - Eldrazi Mimic, Thought-Knot Seer and Reality Smasher
A burn spell refers to any spell that can deal damage directly to the opponent, for any amount of damage
While not every Pokemon is built for battle, some exist as absolute tanks that can take multiple hits and even unleash abilities that can actually break the rules of the game
Is it to earn an enormous amount of money by selling them
However, since increasing deck size hampers your ability to actually find your key cards, it seems that it's only worth it for one-card combo kills and you should play lots of tutoring and filtering cards so you can find them faster
Are they just trying to stall with a blocker, or is that creature part of a bigger plan