Most played cards in Jenara, Asura of War:

5 Decks
Balance
5 copies - 1 average
Wooded Foothills
5 copies - 1 average
Mother of Runes
5 copies - 1 average
Windswept Heath
5 copies - 1 average
Tropical Island
5 copies - 1 average
Tundra
5 copies - 1 average
Noble Hierarch
5 copies - 1 average
Council's Judgment
5 copies - 1 average
Avacyn's Pilgrim
5 copies - 1 average
Stoneforge Mystic
5 copies - 1 average
Scavenging Ooze
5 copies - 1 average
Knight of Autumn
5 copies - 1 average
Gaddock Teeg
5 copies - 1 average
Qasali Pridemage
5 copies - 1 average
Umezawa's Jitte
5 copies - 1 average
Temple Garden
5 copies - 1 average
Birds of Paradise
5 copies - 1 average
True-Name Nemesis
5 copies - 1 average
Meddling Mage
5 copies - 1 average
Sunpetal Grove
5 copies - 1 average