Without the ability to make use of their graveyard effect or revival mechanics, zombies are on average very weak with the only beaters being Mezuki and Zombie master, sporting 1700 and 1800 ATK respectively
your opponent can negate this effect by banishing 1 card of the same card type (Monster, Spell or Trap) as the revealed card, otherwise send the revealed card to the Graveyard
I didn't realize it until looking properly at the card art, but there are two more Brownies lurking in the background a bit more menacingly than the main Brownie
Magic wasnt originally designed with a booming secondary market in mind, but it became a runaway hit
Snorlax's Poke-Power is called Big Appetite and it says that once during your turn before your attack if Snorlax is your active Pokemon you may draw cards until you have 6 cards in your hand, if you do Snorlax is now asleep
Misty is also vital for this deck, allowing you to stack several energies onto Dragonite or Articuno to get an early headstart