Most played cards in UW Weenie :

31 Decks
Swords to Plowshares
4 copies - 0.13 average
Flooded Strand
4 copies - 0.13 average
Mishra's Factory
4 copies - 0.13 average
Memory Lapse
4 copies - 0.13 average
Adarkar Wastes
4 copies - 0.13 average
Savannah Lions
4 copies - 0.13 average
Meddling Mage
4 copies - 0.13 average
Exalted Angel
3 copies - 0.1 average
Wasteland
3 copies - 0.1 average
Standstill
3 copies - 0.1 average
Mother of Runes
3 copies - 0.1 average
Silver Knight
3 copies - 0.1 average
Annul
2 copies - 0.06 average
Cataclysm
2 copies - 0.06 average
Chill
2 copies - 0.06 average
Hibernation
2 copies - 0.06 average
Mana Leak
2 copies - 0.06 average
True Believer
2 copies - 0.06 average
Prohibit
2 copies - 0.06 average
Hydroblast
1 copies - 0.03 average