Most played cards in Reanimator:

2 Decks
Careful Study
8 copies - 4 average
City of Brass
8 copies - 4 average
Reanimate
8 copies - 4 average
Oath of Druids
8 copies - 4 average
Rushing River
8 copies - 4 average
Gemstone Mine
8 copies - 4 average
Exhume
8 copies - 4 average
Phantom Nishoba
8 copies - 4 average
Verdant Force
8 copies - 4 average
Putrid Imp
8 copies - 4 average
Duress
7 copies - 3.5 average
Unmask
6 copies - 3 average
Multani, Maro-Sorcerer
5 copies - 2.5 average
Cabal Therapy
5 copies - 2.5 average
Lotus Petal
4 copies - 2 average
Akroma, Angel of Wrath
4 copies - 2 average
Undiscovered Paradise
4 copies - 2 average
Polluted Delta
4 copies - 2 average
Animate Dead
4 copies - 2 average
Dark Ritual
4 copies - 2 average