Most played cards in Maverick:

2 Decks
Knight of the Reliquary
8 copies – 4 avg
Noble Hierarch
8 copies – 4 avg
Swords to Plowshares
8 copies – 4 avg
Green Sun's Zenith
8 copies – 4 avg
Wasteland
8 copies – 4 avg
Windswept Heath
8 copies – 4 avg
Thalia, Guardian of Thraben
6 copies – 3 avg
Savannah
5 copies – 2.5 avg
Wooded Foothills
5 copies – 2.5 avg
Skyclave Apparition
5 copies – 2.5 avg
Containment Priest
4 copies – 2 avg
Leyline of the Void
4 copies – 2 avg
Once Upon a Time
3 copies – 1.5 avg
Sylvan Library
3 copies – 1.5 avg
Oko, Thief of Crowns
3 copies – 1.5 avg
Mother of Runes
3 copies – 1.5 avg
Collector Ouphe
2 copies – 1 avg
Tropical Island
2 copies – 1 avg
Surgical Extraction
2 copies – 1 avg
Dovin's Veto
2 copies – 1 avg