Most played cards in GAT / Gro-a-Tog:

1 Decks
Mental Note
4 copies - 4 average
Flooded Strand
4 copies - 4 average
Spell Snare
4 copies - 4 average
Nimble Mongoose
4 copies - 4 average
Serum Visions
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Fathom Seer
4 copies - 4 average
Meddling Mage
4 copies - 4 average
Duress
4 copies - 4 average
Psychatog
3 copies - 3 average
Werebear
3 copies - 3 average
Worship
3 copies - 3 average
Ghastly Demise
2 copies - 2 average
Windswept Heath
2 copies - 2 average
Trygon Predator
2 copies - 2 average
Pithing Needle
2 copies - 2 average
Breeding Pool
2 copies - 2 average
Counterspell
2 copies - 2 average
Engineered Explosives
2 copies - 2 average
Opt
2 copies - 2 average