Winter's Demonmech

You can't include this card in your deck if you're on Team Cloudspire. Flying Whenever this creature deals combat damage to a player, create a copy of one of the following, chosen at random: Early Winter, Plunge into Winter, Winterflame, Winter Sky, Winter's Grasp, or Winter's Intervention. You may cast the copy

without paying its mana cost.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o8sab5o1ppb1h92kwdmbi.