Don't worry, there are still plenty of unfair cards in Mystery Booster 2 , like Demystifying the Mystery Booster 2 Limited Experience "Gavin, how about some draft-affecting cards from Conspiracy
But if any of the above actions causes a triggered ability to go off and puts something on the stack, the active player gets priority and can cast a spell or activate abilities
Impostor Syndrome is your typical curve-topping amplifier effect
Unfortunately, the servers shut down in 2016, so it isn't available to play anymore
Both of these cards have done really well for just slowing the opponent down and making it hard for the opponent to deal with our gameplan, especially since neither hurt us at all
Common things one can do with Trainer cards are healing their pokemon, giving them a buff that increases their damage, or alters the field of battle to give one a specific advantage (like with Stadium cards)