Most played cards in Swans:

2 Decks
Seismic Assault
8 copies - 4 average
Reflecting Pool
8 copies - 4 average
Treetop Village
8 copies - 4 average
Vivid Crag
8 copies - 4 average
Vivid Marsh
8 copies - 4 average
Vivid Grove
8 copies - 4 average
Raging Ravine
8 copies - 4 average
Swans of Bryn Argoll
8 copies - 4 average
Fire-Lit Thicket
8 copies - 4 average
Graven Cairns
8 copies - 4 average
Bloodbraid Elf
8 copies - 4 average
Rugged Prairie
6 copies - 3 average
Deny Reality
6 copies - 3 average
Maelstrom Pulse
6 copies - 3 average
Wrath of God
4 copies - 2 average
Wickerbough Elder
4 copies - 2 average
Countryside Crusher
4 copies - 2 average
Primal Command
4 copies - 2 average
Ad Nauseam
4 copies - 2 average
Sunken Ruins
4 copies - 2 average