This is a card that seems nearly unbeatable when its played on turn 3 under certain circumstances even if you get to the point where you can play something thats more powerful than it is, he can probably remove whatever that is after 2 turns of being on the battlefield
As for the second part of our question, though: Is Aang's JourneyAang's Journey a sideboard Lesson
Its still a force to be reckoned with, however
1 owyn, Shieldmaiden 1 Aragorn, King of Gondor 1 Beregond of the Guard 1 Champions of Minas Tirith 1 Gilraen, Dnedain Protector 1 Grey Host Reinforcements 1 Lossarnach Captain 1 Archivist of Gondor 1 Denethor, Stone Seer 1 Fealty to the Realm 1 Call for Aid 1 Gimli of the Glittering Caves 1 Boromir, Gondor's Hope 1 omer, King of Rohan 1 Faramir, Steward of Gondor 1 Forth Eorlingas
Legion Angel White creatures have been adept at rallying other copies of themselves since the days of Squadron Hawk
If the answer is yes, then you might want to include this card