3 Karn, Scion of Urza
4 Hardened Scales
4 Ancient Stirrings
3 Unbound Flourishing
4 Chamber Sentry
4 Hangarback Walker
4 Walking Ballista
4 Metallic Mimic
16 Snow-Covered Forest
4 Steel Overseer
3 Welding Jar
4 Frostwalk Bastion
2 Inventors' Fair
1 Doubling Season