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
The next spell you cast this turn can be cast as though it had flash. When you next cast a 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