An effect may refer to a card, spell, or permanent that "has an Adventure." This refers to a card, spell, or permanent that has an adventurer card's set of alternative characteristics, even if they're not being used and even if that card was never cast as an Adventure
Best Cards + Mulligan Strategy Anna Eager Acolyte is excellent, and can Shift into Anna Mystical Majesty
ITs also very easy to go infinite with and end the game
The transforming cards and Saga creatures open the door for all kinds of amazing uses of the Final Fantasy universe in Magic: The Gathering
Some characters will have their own effects that only trigger when those characters are at locations, like Peter Pan, Lost Boy Leader, who will have you gain lore equal to a location's lore value the first time he moves to one each turn
Where exactly this steel card fits into the meta given its six ink cost remains to be seen, but it can still be a great option depending on your meta