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

1 Decks
Gush
4 copies - 4 average
Meddling Mage
4 copies - 4 average
Polluted Delta
4 copies - 4 average
Serum Visions
4 copies - 4 average
Quirion Dryad
4 copies - 4 average
Daze
4 copies - 4 average
Mox Diamond
4 copies - 4 average
Brainstorm
4 copies - 4 average
City of Brass
4 copies - 4 average
Psychatog
3 copies - 3 average
Fire // Ice
3 copies - 3 average
Duress
3 copies - 3 average
Chill
3 copies - 3 average
Cunning Wish
2 copies - 2 average
Flooded Strand
2 copies - 2 average
Counterspell
2 copies - 2 average
Sleight of Hand
2 copies - 2 average
Vampiric Tutor
2 copies - 2 average
Ensnare
1 copies - 1 average
Echoing Truth
1 copies - 1 average