While shes on the field, all your ETB effects are doubled, and those of your opponents are completely shut down
some are hazardous and inhospitable, while others have great secrets and offer vast power
Like with a bunch of Treasures that this color makes tons of like Ancient Copper Dragon that makes 1d20 Treasures every time he hits for damage on just a 6 drop with flying
Sure it'll protect your stuff from Swords to Plowshares and Utter End but not Vindicate and sorcery and creature-based removal
Theyve also all had the benefit of being printed at different time periods over three decades and some change, meaning weve started to see power creep take its toll when comparing our newest toys with the cards we mightve inherited
A good example is the Avatar: The Last Airbender set, where many new lessons were printed, but without a single learn card in the set