One thing you can modify with continuous effects is card types
Typically these require zero-mana artifacts to pull off, but Green Goblin lets you be a little more flexible
Of course, if you're putting it in your deck, it means you've taken that into account and are probably running it in decks that look to Donate it to opponents with cards like Zedruu the Greathearted, Stiltzkin, Moogle Merchant, and Iroh, Tea Master
But Ryan, you say, Squirrels are stupid and mostly only exist in token form. Well, youd be mostly right
Each players life total becomes 1
If you really want to boost the +1/+1 counters subtheme in the deck (going for that Twenty-Toed Toad/Simic Ascendancy win, eh?), then throwing in Bill and the Brawler give that plan an immediate shot in the arm that can raise the viability of those win conditions right quick