You can also pay four mana to put it onto the battlefield at instant speed, ramping yourself and possibly disrupting a combo
The most valuable cards include 1st Edition Base Set holographics (especially Charizard), Shadowless prints, Gold Star Pokemon, Illustrator Pikachu, Trophy cards, Japanese exclusive promos, and modern chase cards like Alt Art and Rainbow Rares from recent sets
The value is absolutely insane
In less graveyard-intensive decks, one or two escape cards should function perfectly fine by themselves
Whenever you cast a creature spell, that creature enters with X additional +1/+1 counters on it, where X is the number of ingredient counters on this enchantment
There will always be takers for Pikachu, and that fandom continues to endure