{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."
When Runed Crown enters, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attached to Runed Crown. If you search your library this way, shuffle. Equipped creature gets +1/+1. Equip {2}
"Here perished Rognar the Reckless after his hundred-day battle with the Ironmaw Dragon. We raised these stones to mark his resting place." —Iskene, Kannah storyteller
Axgard Armory enters tapped. {T}: Add {W}. {1}{R}{R}{W}, {T}, Sacrifice Axgard Armory: Search your library for an Aura card and/or an Equipment card, reveal them, put them into your hand, then shuffle.
Bretagard Stronghold enters tapped. {T}: Add {G}. {G}{W}{W}, {T}, Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.
"A cliff once rose from the surf here—until Bjora Dawn-Greeter declared that it was blocking her view and pulled it down bare-handed." —Iskene, Kannah storyteller
Great Hall of Starnheim enters tapped. {T}: Add {B}. {W}{W}{B}, {T}, Sacrifice Great Hall of Starnheim and a creature you control: Create a 4/4 white Angel Warrior creature token with flying and vigilance. Activate only as a sorcery.
"Tread carefully! The last time I walked this path, half the snowdrifts were, in fact, sleeping trolls. I've never run so fast in my life!" —Iskene, Kannah storyteller
Immersturm Skullcairn enters tapped. {T}: Add {B}. {1}{B}{R}{R}, {T}, Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.
Littjara Mirrorlake enters tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice Littjara Mirrorlake: Create a token that's a copy of target creature you control, except it enters with an additional +1/+1 counter on it. Activate only as a sorcery.