Unfortunately the ability can only be activated on your turn, but with the aggressive leanings of this commander I think you want to be going for the acorns anyway
Only problem is it didn't recognize culling the weak, because it seems to search the card type and couldn't find "Mana source", and there's (seemingly) no easy way to search your deck, so to error check is difficult
The archetype is often called elfball given how it snowballs out of control, so stopping the ball from rolling is a great way to beat the deck
Lessons Magic is at its best when we recontextualize the tropes we're working with
At the beginning of our end step, we get to untap four creatures, giving us more convoke fuel
If they dont have them, then theyll just have to wait for someone to remove your enchantment