Most played cards in Mono White:

1 Decks
Icatian Javelineers
4 copies - 4 average
Savannah Lions
4 copies - 4 average
Disenchant
4 copies - 4 average
Swords to Plowshares
4 copies - 4 average
Benalish Hero
3 copies - 3 average
Crusade
3 copies - 3 average
White Knight
3 copies - 3 average
Mishra's Factory
3 copies - 3 average
Mesa Pegasus
3 copies - 3 average
Repentant Blacksmith
3 copies - 3 average
Order of Leitbur
3 copies - 3 average
Wrath of God
2 copies - 2 average
Army of Allah
2 copies - 2 average
Serra Angel
2 copies - 2 average
Karma
2 copies - 2 average
Circle of Protection: Red
2 copies - 2 average
Land Tax
2 copies - 2 average
Desert
2 copies - 2 average
Divine Offering
1 copies - 1 average
Holy Light
1 copies - 1 average