Most played cards in U/G Beats:

5 Decks
Breeding Pool
20 copies - 4 average
Yavimaya Coast
17 copies - 3.4 average
Remand
16 copies - 3.2 average
Psionic Blast
14 copies - 2.8 average
Mystic Snake
13 copies - 2.6 average
Ohran Viper
12 copies - 2.4 average
Birds of Paradise
12 copies - 2.4 average
Troll Ascetic
12 copies - 2.4 average
11 copies - 2.2 average
Spectral Force
10 copies - 2 average
Snow-Covered Island
8 copies - 1.6 average
Piracy Charm
8 copies - 1.6 average
Treetop Village
8 copies - 1.6 average
Llanowar Elves
8 copies - 1.6 average
Dodecapod
8 copies - 1.6 average
Scryb Ranger
8 copies - 1.6 average
Rune Snag
8 copies - 1.6 average
Krosan Grip
7 copies - 1.4 average
Call of the Herd
6 copies - 1.2 average
Loxodon Warhammer
6 copies - 1.2 average