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
Mass Manipulation will steal 1 creature or planeswalker for six mana
Elspeth, Sun's Champion is a very versatile win condition in many Cubes, EDH decks, and some Pioneer decks
I have had a considerable amount of time to work on this since my last post a couple years ago
(Together, they created the beautiful Silver Surfer: Parable limited series.) The illustration on this card, however, is from the cover of 2018's Amazing Spider-Man #800
Time may be very kind (or equally unkind) to Winterspell