If you look at the text, you can get this trigger from your attacks, too, which is wicked
I decided to not use Revavroom, since it takes up space on my already crowded bench, and instead chose to build the deck around my current fixation of the time: Pokestop
Gau, Feral Youth is a rather aggressive card, but once again, it rewards you as long as cards are routinely leaving your graveyard
Opponents have to decide how quickly you become a must-answer threat or how long they can float while you add poison counters to the other players around the table
Gravekeeper's Trap X TRAP Continuous While "Exchange of the Spirit" is in your GY, your opponent cannot activate the effects of cards in the GY, or Special Summon monsters from the GY