pokemon card game gameplay Breaking Rules in GBC Pokémon TCG Tutorial · The New Leaf Journal Pokemon TCG Pocket" Gameplay Differences

All it does it get 1 +1/+1 counter when you put ANY amount of +1/+1 counters on something else

The Magic: The Gathering card Ashling the Extinguisher has tripled in price in the past month, going from roughly $5 in mid-October to about $15 today

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) As long as Aetherwing is still an artifact, its ability will count Aetherwing itself

This one might be cheating because its from Dominaria United Commanders Legends Retold , but its my pick anyway

The cards have special backs with the Heroes of the Realm logo