Most played cards in Discard:

3 Decks
 ↓ Hymn to Tourach
12 copies – 4 avg
↓ Hypnotic Specter
12 copies – 4 avg
↓ Sinkhole
10 copies – 3.33 avg
↓ The Rack
8 copies – 2.67 avg
↓ Dark Ritual
8 copies – 2.67 avg
↓ Order of the Ebon Hand
6 copies – 2 avg
↓ Terror
6 copies – 2 avg
↓ Black Knight
5 copies – 1.67 avg
↓ Gloom
5 copies – 1.67 avg
↓ Sengir Vampire
5 copies – 1.67 avg
↓ Royal Assassin
5 copies – 1.67 avg
↓ Cuombajj Witches
5 copies – 1.67 avg
↓ Scrubland
4 copies – 1.33 avg
↓ Bad Moon
4 copies – 1.33 avg
↓ Sedge Troll
4 copies – 1.33 avg
↓ Badlands
4 copies – 1.33 avg
↓ Volcanic Island
4 copies – 1.33 avg
↓ Underground Sea
4 copies – 1.33 avg
↓ Icy Manipulator
4 copies – 1.33 avg
↓ Paralyze
4 copies – 1.33 avg