Most played cards in Hulk Smash:

1 Decks
Brainstorm
4 copies - 4 average
Mana Drain
4 copies - 4 average
Force of Will
4 copies - 4 average
Accumulated Knowledge
4 copies - 4 average
Flooded Strand
3 copies - 3 average
Polluted Delta
3 copies - 3 average
Cunning Wish
3 copies - 3 average
Tropical Island
3 copies - 3 average
Underground Sea
3 copies - 3 average
Psychatog
2 copies - 2 average
Misdirection
2 copies - 2 average
Duress
2 copies - 2 average
Intuition
2 copies - 2 average
Naturalize
2 copies - 2 average
Pernicious Deed
2 copies - 2 average
Skeletal Scrying
1 copies - 1 average
Vampiric Tutor
1 copies - 1 average
Stifle
1 copies - 1 average
Snuff Out
1 copies - 1 average
Yawgmoth's Will
1 copies - 1 average