It also has zero mana cost to play so in theory, it can accelerate your available mana hugely in the early game, at least if you build multiple copies of the card into your deck and draw them quickly
Both the Adventure spell and the creature on this card generate massive value
Partner Teething Wurmlet with a card like Gala Greeters to create artifact Treasure tokens whenever you play a creature, and watch as your little Wurm grows
I dont think Protection Magic is going to be the best option for every deck, but in decks that can proliferate counters this one is going to do a surprising amount of work
The whole conversation, interestingly, started several years back when he and I talked about how threshold didn't do a great job of showing two states
Main Collectable Card Games Magic: The Gathering Airbending Lesson Airbending Lesson Casting Cost: Card Type: Instant - Lesson Card Text: Airbend target nonland permanent