Most played cards in Mono Green Aggro:

4 Decks
Troll Ascetic
16 copies - 4 average
Llanowar Elves
16 copies - 4 average
Viridian Zealot
13 copies - 3.25 average
Naturalize
11 copies - 2.75 average
Sakura-Tribe Elder
10 copies - 2.5 average
Blanchwood Armor
9 copies - 2.25 average
9 copies - 2.25 average
Blinkmoth Nexus
8 copies - 2 average
Giant Growth
8 copies - 2 average
Might of Oaks
8 copies - 2 average
Predator's Strike
8 copies - 2 average
Viridian Shaman
8 copies - 2 average
Elvish Warrior
8 copies - 2 average
Beacon of Creation
7 copies - 1.75 average
Sword of Light and Shadow
7 copies - 1.75 average
Eternal Witness
7 copies - 1.75 average
Sword of Fire and Ice
7 copies - 1.75 average
Iwamori of the Open Fist
7 copies - 1.75 average
Umezawa's Jitte
6 copies - 1.5 average
Shinen of Life's Roar
6 copies - 1.5 average