For as long as their nation has warred with Dravania, there have been Ishgardians who instead chose to ally themselves with the dragons. Shiva is said to have been among the first, hence why the heretics revere her as a saint.

Final Fantasy Commander

Glacial Fortress

This land enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.

Ships blown north in their voyage across the Stormwreck Sea become trapped in the unmelting ice.

Tarkir: Dragonstorm Commander

Aetherdrift Commander

Bloomburrow Commander

Glacial Fortress enters tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.

Considered the greatest battle in history, Operation: Anchorage showcased the effectiveness of the winterized T-51b power armor.

Fallout

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.

Considered the greatest battle in history, Operation: Anchorage showcased the effectiveness of the winterized T-516 power armor.

"Iceworld. A space trading colony on the dark side of the planet Svartos... I think there's something interesting going on there, Mel."
—The Seventh Doctor

Doctor Who

"Beneath the Moon and under star
he wandered far from northern strands . . .
From gnashing of the Narrow Ice
where shadow lies on frozen hills."
—*Song of Eärendil*

Tales of Middle-earth Commander

Secret Lair Drop

Ixalan Promos

Ixalan

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U} to your mana pool.