Remember to make your card balanced, and look at Pokmon cards for inspiration
Empty the Laboratory Empty the Laboratory is a very cool zombie-centric mass-polymorph effect, and also what happens when science class is dismissed for the day
The $400 price would be the lowest price that an ungraded, medium-condition Gamma card would sell for and even that is probably a titch too low
Making your opponent discard cards, I'm also happy to report, reduces their available options and helps you win the game
During your opponent's next turn, when the Defending Pokemon tries to attack, your opponent flips 2 coins
Now I have to do a fair amount of scrolling to see all the listings for this particular card and weed out the graded versions, non-near mint, etc