pikachu libre pokemon card 30/30 PSA 8 pokemon XY Trainer Kit Pokemon Pikachu Libre 5

Colresss Experiment is there to help you expedite cards in your Lost Zone and will often be the most played Supporter card for you in each game

Loxodon Eavesdropper WotC just casually dropped Loxodon Eavesdropper into the murder mystery set

Some cards from the Kaladesh set use energy counters to pay additional costs or buff cards

The other option is to take advantage of the direct damage, which is good in its own right to either finish off a damaged character or get them within range to be banished but also works with the likes of cards that benefit from being damaged - such as Scroop, Backstabber - that benefit from healing damage, like Rapunzel, Gifted Artist, or from damage being dealt: like Beast, Relentless.

Also, people that trade online seem to be extremely picky about condition, and why shouldnt they

Definitely worth the investment