Most played cards in Talrand, Sky Summoner:

3 Decks
Mana Leak
3 copies - 1 average
Miscalculation
3 copies - 1 average
Spell Pierce
3 copies - 1 average
Spell Snare
3 copies - 1 average
Daze
3 copies - 1 average
Remove Soul
3 copies - 1 average
Wash Out
3 copies - 1 average
Pact of Negation
3 copies - 1 average
Essence Scatter
3 copies - 1 average
Mental Misstep
3 copies - 1 average
Fact or Fiction
3 copies - 1 average
Force Spike
3 copies - 1 average
Forbid
3 copies - 1 average
Complicate
3 copies - 1 average
Muddle the Mixture
3 copies - 1 average
Counterspell
3 copies - 1 average
Cryptic Command
3 copies - 1 average
Force of Will
3 copies - 1 average
Stifle
3 copies - 1 average
Memory Lapse
3 copies - 1 average