Turning a Kiki-Jiki, Mirror Breaker into an artifact before this trigger and getting a whole board of Horrors to copy something massive and impactful, like Brainstealer Dragon, means that youll get to exile that many cards from the top of your opponents libraries before the tokens go away
Additionally, all of your tap effects can be activated once per opponents turn, building up their value significantly
Its controller can't choose a different one
6 Lightning Energy: Guardians Rising (Secret Rare, 168) $17.92 A New Style For Energy Cards One of the best things to come out of the Sun & Moon era was the addition of secret rare Energy cards to the kinds of secret rare cards you can pull
Many top players used it right away
) : right now, I haven't seen anyone in my group managing to release a direct broken game-ending combo but that doesn't mean it won't happen one day