Mystmin played this deck full of planeswalkers on his stream.

Companion
1
Kaheera, the Orphanguard
Planeswalkers (13)
2
Kaya, Orzhov Usurper
4
Narset, Parter of Veils
2
Kasmina, Enigmatic Mentor
1
Teferi, Master of Time
2
Ashiok, Nightmare Muse
2
Liliana, Dreadhorde General
Spells (14)
1
Disfigure
2
Aether Gust
2
Heartless Act
1
The Elderspell
4
Thought Erasure
4
Kaya's Wrath
Enchantments (7)
2
Oath of Kaya
4
Elspeth Conquers Death
1
Shark Typhoon
Lands (26)
1
Castle Vantress
4
Fabled Passage
4
Godless Shrine
4
Hallowed Fountain
1
Island
2
Plains
2
Swamp
1
Temple of Deceit
1
Temple of Enlightenment
2
Temple of Silence
4
Watery Grave
Cards (60)
Sideboard (15)
2
Aether Gust
3
Eliminate
2
Essence Scatter
2
Heliod's Intervention
1
Negate
1
Kaheera, the Orphanguard
3
Mystical Dispute
1
Dream Trawler