Most played cards in Cascade LD:

1 Decks
Reflecting Pool
4 copies - 4 average
Deathmark
4 copies - 4 average
Cryptic Command
4 copies - 4 average
Consign to Dream
4 copies - 4 average
Bloodbraid Elf
4 copies - 4 average
Primal Command
4 copies - 4 average
Grixis Charm
3 copies - 3 average
Maelstrom Pulse
3 copies - 3 average
Vivid Crag
3 copies - 3 average
Kitchen Finks
3 copies - 3 average
Shriekmaw
2 copies - 2 average
Vivid Grove
2 copies - 2 average
Vivid Marsh
2 copies - 2 average
Pacifism
2 copies - 2 average
Mulldrifter
2 copies - 2 average
Fire-Lit Thicket
2 copies - 2 average
Bituminous Blast
2 copies - 2 average
Volcanic Fallout
2 copies - 2 average
Broodmate Dragon
2 copies - 2 average
Thoughtseize
2 copies - 2 average