Most played cards in Enduring Ideal:

1 Decks
Ghostly Prison
4 copies - 4 average
Orim's Chant
4 copies - 4 average
Seething Song
4 copies - 4 average
Sensei's Divining Top
4 copies - 4 average
Tinder Farm
4 copies - 4 average
Lotus Bloom
4 copies - 4 average
Pentad Prism
4 copies - 4 average
Ancient Spring
4 copies - 4 average
Burning Wish
4 copies - 4 average
Enduring Ideal
4 copies - 4 average
Sacred Foundry
3 copies - 3 average
Flooded Strand
3 copies - 3 average
Thoughtseize
3 copies - 3 average
Sulfur Vent
3 copies - 3 average
Form of the Dragon
3 copies - 3 average
Boseiju, Who Shelters All
3 copies - 3 average
Windswept Heath
3 copies - 3 average
Solitary Confinement
3 copies - 3 average
Dovescape
2 copies - 2 average
Decree of Silence
1 copies - 1 average