brook one piece card game Alternate Art - EB01-046SR - Memorial Collection [On Play]/[When Attacking] Give up to 1 of your opponents Characters Bandai One Piece Card Game

They also cant be countered by counterspells that say counter target spell. But some counterspells are capable of countering them, like Voidslime or Disallow since they specifically name activated abilities as something they can counter

Let me know in the comments or in the Draftsim Discord, and check out The Daily Upkeep newsletter to stay up to date on all the latest MTG news

However, there are a few ways to get more cards and increase your collection

Its better to enjoy Magic by focusing on the parts one loves rather than disdaining cards which least hold ones interest (and public disparagement can hurt or discourage the people such cards are meant for)

Kiki-Jiki, Mirror Breaker is a famous combo piece that goes infinite with cards like Pestermite or Deceiver Exarch