Most played cards in Team Italia:

4 Decks
Swords to Plowshares
16 copies - 4 average
Wasteland
16 copies - 4 average
Dark Confidant
16 copies - 4 average
Deathrite Shaman
16 copies - 4 average
Bloodstained Mire
15 copies - 3.75 average
Thoughtseize
15 copies - 3.75 average
Hymn to Tourach
12 copies - 3 average
Lightning Bolt
12 copies - 3 average
Marsh Flats
11 copies - 2.75 average
Liliana of the Veil
10 copies - 2.5 average
Scrubland
9 copies - 2.25 average
Badlands
9 copies - 2.25 average
Stoneforge Mystic
8 copies - 2 average
Red Elemental Blast
7 copies - 1.75 average
Council's Judgment
6 copies - 1.5 average
Ethersworn Canonist
6 copies - 1.5 average
Wear // Tear
5 copies - 1.25 average
Lingering Souls
5 copies - 1.25 average
Verdant Catacombs
5 copies - 1.25 average
Plateau
5 copies - 1.25 average