mom set booster box BUNDLE: March of the Machine (MOM) The Gathering cards and 1 Traditional Foil double Collecting March of the Machine

Gains 200 ATK for each Beast-Warrior monster that is banished or in the GYs

Like most Pokmon cards, the value of Grass Energy depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Power Keepers)

Although it does not work on self-destruction, it can be used to intentionally hit an opponent's monster with high attack power and destroy it in battle, then remove the opponent's monster and then take out the Ice Hand to deliver a follow-up hit

For a full list, as well as more details on rebalancing philosophy and why these cards and changes were selected, see Donald Smith's article