Most played cards in Hypergenesis:

3 Decks
Force of Will
12 copies - 4 average
Shardless Agent
12 copies - 4 average
Show and Tell
12 copies - 4 average
Leyline of Sanctity
12 copies - 4 average
Misty Rainforest
12 copies - 4 average
Violent Outburst
12 copies - 4 average
Elvish Spirit Guide
12 copies - 4 average
Simian Spirit Guide
12 copies - 4 average
Griselbrand
11 copies - 3.67 average
Emrakul, the Aeons Torn
10 copies - 3.33 average
Misdirection
10 copies - 3.33 average
Hypergenesis
9 copies - 3 average
Leyline of the Void
8 copies - 2.67 average
Scalding Tarn
8 copies - 2.67 average
Omniscience
7 copies - 2.33 average
Tropical Island
7 copies - 2.33 average
Volcanic Island
7 copies - 2.33 average
Worldspine Wurm
5 copies - 1.67 average
Sneak Attack
4 copies - 1.33 average
Wooded Foothills
4 copies - 1.33 average