pokemon croagunk card Rarest Pokémon Revealed [Colorless]. Pokemon TCG - SV1S -

For the longest time this was thought to be an error and done by accident, but thanks to the info presented in this thread by @styluspt , we now know it was most likely intended as the first English Secret Rare card instead

In other words

All players can expect promo items for participating, as well as additional prizing based on their performance during the event.

Permanents that gain counters later in the turn wont become affected by this effect, and permanents that lose all of their counters later in the turn wont stop being affected

Exploring Blue Ramp Cards in MTG Share What is The Blue Ramp

The lifegain won't come up often (unless you're playing a dedicated Town deck) but with Starting Town it's a fun little way to occasionally offset the life loss of the card