pokemon cards are TCG: Random from Every Series, 50 Cards in Each Lot : Toys & Games Fx2 / None / 0 Artist Pokémon TCG Classic | Pokémon

They don't go away as steps, phases, and turns end, and effects that add mana "of any type" can't give you energy counters

The most well known example would be Desert Ruins from EX Hidden Legends, which requires each player to put a damage counter on each of their Pokmon-ex with a maximum HP of 100 or more between turns

Midnight Reaper ensures your sacrifices also refill your hand, while Priest of Forgotten Gods keeps your opponents board clear at the cost of a temporary graveyard trip by your spare cats and skeletons

But thats fun

I just came from an estate where, very casually, a lady said, Oh, I had these silly Magic cards in the original boxes and someone came over and gave me a lot of money for them