The full mechanical identity of Kaldheim is still under wraps for now, but already, it's clear that tribal Elves are going to be a part of this set, as well as Giant tribal in blue and red mana and white-red Dwarves
Technically, blue has no shortage of counterspells to deny your opponents their favorite creatures
Not only would having this card in play pretty solidly protect you against discard decks, it could also be paired effectively with cards like A Whole New World to get extra bang for your buck for playing it
Along with all of the other things shown on todays Ikoria: Lair of Behemoths preview stream, Wizards of the Coast also revealed the five commanders that will come with the Ikoria Commander decks
You can sacrifice that Junk token to impulse draw the top card of your deck, effectively letting you draw extra cards for each attack
My suggestion is to maybe take one in the first round for its deathtouch and see what gets passed to you