Most played cards in Junk:

1 Decks
Blooming Marsh
4 copies - 4 average
Hissing Quagmire
4 copies - 4 average
Traverse the Ulvenwald
4 copies - 4 average
Fatal Push
4 copies - 4 average
Grim Flayer
4 copies - 4 average
Distended Mindbender
3 copies - 3 average
Cast Out
3 copies - 3 average
Tireless Tracker
3 copies - 3 average
Never // Return
3 copies - 3 average
Gonti, Lord of Luxury
3 copies - 3 average
Yahenni's Expertise
3 copies - 3 average
Evolving Wilds
2 copies - 2 average
Channeler Initiate
2 copies - 2 average
Sorin, Grim Nemesis
2 copies - 2 average
Transgress the Mind
2 copies - 2 average
Scattered Groves
2 copies - 2 average
Vessel of Nascency
2 copies - 2 average
Kalitas, Traitor of Ghet
2 copies - 2 average
Ishkanah, Grafwidow
2 copies - 2 average
Liliana, Death's Majesty
2 copies - 2 average