9 Aetherwing, Golden-Scale Flagship Kaladesh is responsible for many of Magic: The Gathering 's best planes due to its high-tech focus and steampunk-esque aesthetic
It doesnt even have to be in Dragon typal decks
Together, the power of these three tokens matches that of Terastodon, assuming you targeted three noncreature Permanents
Its easy to understand why people would like a cute yellow rodent or a fire breathing dragon
Breya can even turn your mana rocks into deadly weapons, so she doesn't have to overextend herself until the last second, always ready to respond to any action with a crazy play
It shows you exactly what type of opening hand people kept and puts everyone but your own in-game knowledge in plain sight of the entire table (and you can hide the fact you may have kept a mediocre opener so they cant judge you, ahem)