Most played cards in Thalia, Guardian of Thraben:

3 Decks
Snow-Covered Plains
5 copies - 1.67 average
Hero of Bladehold
3 copies - 1 average
Imposing Sovereign
3 copies - 1 average
Knight of the White Orchid
3 copies - 1 average
Grand Abolisher
3 copies - 1 average
God-Eternal Oketra
3 copies - 1 average
Giver of Runes
3 copies - 1 average
Mother of Runes
3 copies - 1 average
Fiendslayer Paladin
3 copies - 1 average
Selfless Spirit
3 copies - 1 average
Brave the Elements
3 copies - 1 average
Enlightened Tutor
3 copies - 1 average
Oketra's Monument
3 copies - 1 average
Vryn Wingmare
3 copies - 1 average
Tomik, Distinguished Advokist
3 copies - 1 average
Fiend Hunter
3 copies - 1 average
Thalia's Lancers
3 copies - 1 average
Ranger-Captain of Eos
3 copies - 1 average
Leonin Arbiter
3 copies - 1 average
Emeria, the Sky Ruin
3 copies - 1 average