Once a creature equipped with Wrecking Ball Arm has been blocked, changing the blocking creature's power to 2 or less won't cause the creature to become unblocked
Strong in a creature-heavy Standard
Other characters and Leaders in these decks, like the Red/Purple and Yellow/Black Monkey D
Whenever it attacks or blocks create a 3/3 beast token, gain 3 life, or draw a card
Theres potential here, but this diamond needs a lot of polishing to shine
Part of the reason Im being a stickler about this distinction is that there are actual MTG rules about what it means to move a counter, and some niche interactions pop up when you compare moving counters to removing a counter from one thing and putting a counter elsewhere. I can also see a future where we get rules text that references whenever you move one or more counters, which would require precise text on the card