Most played cards in Sigarda, Host of Herons:

3 Decks
Temple Garden
3 copies - 1 average
Sword of Feast and Famine
3 copies - 1 average
Tectonic Edge
3 copies - 1 average
Sunpetal Grove
3 copies - 1 average
Stirring Wildwood
3 copies - 1 average
Knight of the Reliquary
3 copies - 1 average
Razorverge Thicket
3 copies - 1 average
Enlightened Tutor
3 copies - 1 average
Dromoka's Command
3 copies - 1 average
Green Sun's Zenith
3 copies - 1 average
Gaddock Teeg
3 copies - 1 average
Voice of Resurgence
3 copies - 1 average
Crop Rotation
3 copies - 1 average
Sylvan Library
3 copies - 1 average
Canopy Vista
3 copies - 1 average
Cavern of Souls
3 copies - 1 average
Qasali Pridemage
3 copies - 1 average
Reclamation Sage
3 copies - 1 average
Command Tower
3 copies - 1 average
Mother of Runes
3 copies - 1 average