I'll start with the most basic version, Herald of Kozilek
Legendary Enchantment Background Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Illustrated by: Nicholas Elias Multiverse ID: 566964 Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Not Legal Traditional Historic Not Legal Traditional Timeless Rulings 2022-06-10 Choose a Background is a variant of the partner ability
However, there are also stunning shiny cards featuring Pokemon from later generations, like Duskull and Drifloon
The biggest change in Pokmon TCG Pocket focuses on how the energy system works
Graven Dominator Graven Dominator is a good Limited and Commander card that can shrink the board when it enters the battlefield
Then if creatures you control have total toughness 20 or greater, untap each creature you control