You're not the only Pokmon Trainer in Sinnoh, so be prepared to put your skills to the test against all the rest
Removing 8 cards will be challenging and, to make it easier, I recommend that you look for cards that do the same effect, such as "you gain X life, whenever a creature ETB's", and remove some of them, as this will allow you to keep your important and less redundant cards in your deck
If your opponent refuses to play at a reasonable pace, call a judge
This list also includes cards that "hose" that creature type, I decided to leave that in because it's potentially interesting
It was also the beginning of the celebratory Phyrexian storyline that continued through the next four sets and gave us some of the best modern cards wrapped in a wonderful story
In particular youll want to remember the letter Z will let you undo an action, which is particularly helpful if youre adding mana to your mana pool but decide you dont want to do that yet