Most played cards in Reanimator:

3 Decks
Sakura-Tribe Elder
12 copies - 4 average
Kodama's Reach
12 copies - 4 average
Goryo's Vengeance
12 copies - 4 average
Footsteps of the Goryo
11 copies - 3.67 average
Cranial Extraction
9 copies - 3 average
Kokusho, the Evening Star
8 copies - 2.67 average
Wear Away
8 copies - 2.67 average
Gifts Ungiven
8 copies - 2.67 average
Tendo Ice Bridge
7 copies - 2.33 average
Hideous Laughter
7 copies - 2.33 average
Sensei's Divining Top
7 copies - 2.33 average
Nezumi Graverobber
7 copies - 2.33 average
Hana Kami
6 copies - 2 average
Kagemaro, First to Suffer
6 copies - 2 average
Sickening Shoal
4 copies - 1.33 average
Ideas Unbound
4 copies - 1.33 average
4 copies - 1.33 average
Heartbeat of Spring
3 copies - 1 average
Eradicate
3 copies - 1 average
Rending Vines
3 copies - 1 average