The thing is, learning about formats and legality and card sets can be a little daunting at first
Horn of Gondor can be considered a Krenko, Mob Boss for humans that gives you more of what you already have
Click each section for lists of all my decks
Doubling attack triggers makes it a natural fit for mechanics like mobilize or firebending, where it rewards aggressive decks that want every combat step to generate value
Commander decks led by Fire Lord Azula desperately want this card, but so do decks featuring other popular commanders from ATLA like Avatar Aang, Iroh, Grand Lotus, and Fire Lord Zuko
(You were probably doing this already, but it's now necessary in order to distinguish morph and disguise.) At any time, you can look at a face-down spell or permanent you control