Most played cards in Thopter Combo:

1 Decks
Path to Exile
4 copies - 4 average
Thirst for Knowledge
4 copies - 4 average
Thopter Foundry
4 copies - 4 average
Misty Rainforest
3 copies - 3 average
Muddle the Mixture
3 copies - 3 average
Sword of the Meek
3 copies - 3 average
Spell Snare
3 copies - 3 average
Mana Leak
3 copies - 3 average
Engineered Explosives
3 copies - 3 average
Chrome Mox
3 copies - 3 average
Chalice of the Void
3 copies - 3 average
Meddling Mage
3 copies - 3 average
Watery Grave
2 copies - 2 average
Tezzeret the Seeker
2 copies - 2 average
Circle of Protection: Red
2 copies - 2 average
Cryptic Command
2 copies - 2 average
Trinket Mage
2 copies - 2 average
Hallowed Fountain
2 copies - 2 average
Tormod's Crypt
1 copies - 1 average
Time Sieve
1 copies - 1 average