Most played cards in Sneak Red:

185 Decks
Sneak Attack
740 copies - 4 average
Ancient Tomb
738 copies - 3.99 average
Simian Spirit Guide
732 copies - 3.96 average
Through the Breach
732 copies - 3.96 average
Seething Song
695 copies - 3.76 average
Chalice of the Void
672 copies - 3.63 average
Blood Moon
652 copies - 3.52 average
City of Traitors
624 copies - 3.37 average
Lotus Petal
610 copies - 3.3 average
Griselbrand
541 copies - 2.92 average
Trinisphere
511 copies - 2.76 average
Emrakul, the Aeons Torn
509 copies - 2.75 average
Inferno Titan
447 copies - 2.42 average
Worldspine Wurm
377 copies - 2.04 average
Sandstone Needle
373 copies - 2.02 average
Defense Grid
260 copies - 1.41 average
Magus of the Moon
233 copies - 1.26 average
Faerie Macabre
199 copies - 1.08 average
Pyroclasm
187 copies - 1.01 average
Pyromancy
175 copies - 0.95 average