Most played cards in Battle of Wits:

1 Decks
Innocent Blood
4 copies - 4 average
Shadowblood Ridge
4 copies - 4 average
Lonely Sandbar
4 copies - 4 average
Gamble
4 copies - 4 average
Force Spike
4 copies - 4 average
4 copies - 4 average
Flooded Strand
4 copies - 4 average
Forbid
4 copies - 4 average
Magma Jet
4 copies - 4 average
Mana Leak
4 copies - 4 average
Psychatog
4 copies - 4 average
Pyrite Spellbomb
4 copies - 4 average
Repulse
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Serum Visions
4 copies - 4 average
Fire // Ice
4 copies - 4 average
Opt
4 copies - 4 average
Salt Marsh
4 copies - 4 average
Flametongue Kavu
4 copies - 4 average
Bloodstained Mire
4 copies - 4 average