Assemble X Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)
After a hundred failed patent applications, Cornelian was stunned to find that no one had ever created a steam-powered autonomous ice cream delivery system. He immediately designed a gnome with scoops for hands.
"Llanowar remembers the Ice Age, the Phyrexian Invasion, and the Rift Era. So long as we draw breath, we will ensure such disasters never threaten our world again."
{T}: Add one mana of any color among legendary creatures and planeswalkers you control.
"A crystallized moment in time from the Mending Era, first discovered during the Ice Age. A temporal conundrum, even to the great scholar himself." —The Discoveries of Feldon
Enchant snow land you control When On Thin Ice enters the battlefield, exile target creature an opponent controls until On Thin Ice leaves the battlefield.
He cursed the wind. He cursed the cold. But by stepping on the ice, he cursed himself.
The next spell you cast this turn can be cast as though it had flash. When you cast your next spell this turn, put X +1/+1 counters on up to one target creature, where X is the mana value of that spell.
The mountain will build your cairn of snow and ice and stone.
"Flourishing during the Ice Age, these wurms were the bane of all Kjeldorans. Their great size and ferocity made them the subject of countless nightmares—they embodied the worst of the Ice Age." —Kjeldor: Ice Civilization
"It rose above our heads, above the ship, and still higher yet. No foggy, ice-laden sea in the world could frighten me more." —General Jarkeld, the Arctic Fox
"And through the drifts the snowy cliffs Did send a dismal sheen: Nor shapes of men nor beasts we ken— The ice was all between." —Samuel Coleridge, "The Rime of the Ancient Mariner"