Most played cards in Yisan, the Wanderer Bard:

4 Decks
Snow-Covered Forest
82 copies - 20.5 average
Scavenging Ooze
4 copies - 1 average
Rofellos, Llanowar Emissary
4 copies - 1 average
Scryb Ranger
4 copies - 1 average
Sylvan Safekeeper
4 copies - 1 average
Thragtusk
4 copies - 1 average
Reclamation Sage
4 copies - 1 average
Titania, Protector of Argoth
4 copies - 1 average
Ramunap Excavator
4 copies - 1 average
Obstinate Baloth
4 copies - 1 average
Llanowar Elves
4 copies - 1 average
Phyrexian Revoker
4 copies - 1 average
Priest of Titania
4 copies - 1 average
Quirion Ranger
4 copies - 1 average
Primeval Titan
4 copies - 1 average
Wall of Roots
4 copies - 1 average
Whisperwood Elemental
4 copies - 1 average
Garruk Wildspeaker
4 copies - 1 average
Exploration
4 copies - 1 average
Song of the Dryads
4 copies - 1 average