Most played cards in All Spells:

62 Decks
Narcomoeba
247 copies - 3.98 average
Balustrade Spy
247 copies - 3.98 average
Dark Ritual
244 copies - 3.94 average
Undercity Informer
244 copies - 3.94 average
Lotus Petal
244 copies - 3.94 average
Pact of Negation
234 copies - 3.77 average
Simian Spirit Guide
228 copies - 3.68 average
Agadeem's Awakening
228 copies - 3.68 average
Elvish Spirit Guide
228 copies - 3.68 average
Summoner's Pact
221 copies - 3.56 average
Cabal Ritual
218 copies - 3.52 average
Chrome Mox
218 copies - 3.52 average
Force of Vigor
206 copies - 3.32 average
Turntimber Symbiosis
206 copies - 3.32 average
Thoughtseize
165 copies - 2.66 average
Cabal Therapy
130 copies - 2.1 average
Nature's Claim
126 copies - 2.03 average
Chancellor of the Annex
124 copies - 2 average
Xantid Swarm
108 copies - 1.74 average
Leyline of Sanctity
82 copies - 1.32 average