Most played cards in The Hive Deck:

3 Decks
Counterspell
12 copies - 4 average
Tundra
12 copies - 4 average
Disenchant
12 copies - 4 average
Fellwar Stone
9 copies - 3 average
Underground Sea
9 copies - 3 average
Swords to Plowshares
9 copies - 3 average
City of Brass
7 copies - 2.33 average
Jayemdae Tome
7 copies - 2.33 average
Tropical Island
7 copies - 2.33 average
Red Elemental Blast
6 copies - 2 average
Volcanic Island
5 copies - 1.67 average
Divine Offering
5 copies - 1.67 average
Icy Manipulator
5 copies - 1.67 average
Blue Elemental Blast
5 copies - 1.67 average
Disrupting Scepter
4 copies - 1.33 average
Sylvan Library
4 copies - 1.33 average
The Abyss
4 copies - 1.33 average
Greater Realm of Preservation
4 copies - 1.33 average
Braingeyser
3 copies - 1 average
Strip Mine
3 copies - 1 average