Swalot D - Gulp Down 10+ If this Pokmon has more Energy attached than your opponent's Active Pokmon, this attack does 160 more damage
Oh, and did I mention that if you draw three cards, lose two cards, and have a Psychatog on the table, you've just grown your 'Tog by +6/+6 (two cards in graveyard + Fact or Fiction + 3 cards in hand -- discard the three cards to have six in the grave, remove all six to give another +3/+3)
This is not a completely fair test, since the values we're listing here reflect the cards' prices right now, rather than the value they held upon release, but nonetheless it paints a pretty bleak picture
Elsewhere, there's Pete Games Referee, who paralyzes your opponents' ability to use any actions whatsoever, and some good multi-purpose cards like Anna Diplomatic Queen, who offers a choice of three handy buffs
Trainer cards can be a powerful asset in your deck