Most played cards in Team Italia:

4 Decks
Swords to Plowshares
16 copies - 4 average
Deathrite Shaman
16 copies - 4 average
Dark Confidant
15 copies - 3.75 average
Marsh Flats
12 copies - 3 average
Thoughtseize
12 copies - 3 average
Bloodstained Mire
11 copies - 2.75 average
Wasteland
11 copies - 2.75 average
Scrubland
11 copies - 2.75 average
Surgical Extraction
9 copies - 2.25 average
Liliana of the Veil
9 copies - 2.25 average
Verdant Catacombs
9 copies - 2.25 average
Cabal Therapy
8 copies - 2 average
Hymn to Tourach
8 copies - 2 average
Badlands
7 copies - 1.75 average
Vindicate
6 copies - 1.5 average
Pithing Needle
6 copies - 1.5 average
Pyroblast
5 copies - 1.25 average
Ethersworn Canonist
5 copies - 1.25 average
Gravecrawler
4 copies - 1 average
Young Pyromancer
4 copies - 1 average