If a creature (it does not have to be yours) has died this turn, Tragic Slip can remove almost any creature you come across, including behemoths like Ulamog, The Ceaseless Hunger
Some collectors prefer them for binder aesthetics
That is a staggering number of cards, especially considering how every new set is adding several hundred to the game thanks to all the premium versions, showcase artworks, and variants that come with each set
I personally would not use this card in a deck because you have to add Plume Fossil trainer cards to your deck instead of having more valuable trainer cards or even Pokemon cards in the deck
We tried out a four-player, free-for-all game and it was interesting to race to 20 Lore against multiple opponents, but in the end it wasnt as fun as a normal game
Also, this makes Standard Scam with prototype creatures possible