Most played cards in Quick and Toast:

1 Decks
Reflecting Pool
4 copies - 4 average
Yavimaya Coast
4 copies - 4 average
Wall of Roots
4 copies - 4 average
Vivid Grove
4 copies - 4 average
Firespout
4 copies - 4 average
Cryptic Command
4 copies - 4 average
Careful Consideration
4 copies - 4 average
Rune Snag
4 copies - 4 average
Vivid Creek
4 copies - 4 average
Condemn
3 copies - 3 average
Cloudthresher
3 copies - 3 average
Sunken Ruins
2 copies - 2 average
Puppeteer Clique
2 copies - 2 average
Wispmare
2 copies - 2 average
Primal Command
2 copies - 2 average
Slaughter Pact
2 copies - 2 average
Flooded Grove
2 copies - 2 average
Kitchen Finks
2 copies - 2 average
Mystical Teachings
2 copies - 2 average
Calciform Pools
2 copies - 2 average