Yoman5 shared this 60-card Yorion deck with new cards from Kaldheim on his Twitter.

Planeswalkers (2)
2
Kaya the Inexorable
Creatures (19)
2
Tangled Florahedron
4
Valki, God of Lies
1
Scavenging Ooze
4
Llanowar Visionary
4
Skyclave Apparition
4
Yorion, Sky Nomad
Spells (6)
3
Emeria's Call
3
Heartless Act
Enchantments (11)
4
Binding the Old Gods
4
Firja's Retribution
3
Elspeth Conquers Death
Lands (22)
1
Arctic Treeline
2
Blightstep Pathway
4
Branchloft Pathway
4
Brightclimb Pathway
4
Darkbore Pathway
4
Indatha Triome
1
Ketria Triome
2
Needleverge Pathway
Cards (60)
Sideboard (15)
3
Chainweb Aracnir
2
Cling to Dust
4
Duress
1
Scavenging Ooze
2
Extinction Event
2
Vorinclex, Monstrous Raider
1
Ugin, the Spirit Dragon