Though undoubtedly strong, this card is probably a bit too slow to be main-deckable in Modern: three mana for the sword, two more to actually equip it, and then you have to get through to deal combat damage as well
Here's what to look for so you can avoid fake cards
Here are my first five allied lists for you to check out: P.S
However, that is not the only reason why this card is so valuable
At 2 mana, youll appreciate it as an early play, and your late game will like the extra cards in your graveyard
Getting to Brisela and the new mechanic meld, heres the link to the Eldritch Moon mechanic guide, but to make a long story short: the two physical Angel cards form their Final Fantasy boss-esque Eldrazi hybrid