Card Creator technically lets you share cards, but the lack of comments makes it far less than a forum
Its a mechanic that cares about certain card types , similar to how cards like Dragon's Claw and Aether Gust care about cards with a particular color

The most effective approach follows the traditional color pie that defines both identity and gameplay mechanics: White - The color of order and protection that focuses on efficient creatures, removal spells, and defensive strategies Blue - The color of knowledge and control that emphasizes card draw, counterspells, and manipulating the game state Black - The color of power and ambition that utilizes life as a resource, creature removal, and graveyard interactions Red - The color of freedom and emotion that delivers fast aggression, direct damage, and chaotic effects Green - The color of nature and growth that ramps mana, plays large creatures, and destroys artifacts and enchantments Colorless/Multicolor - Cards that either require no specific mana or combine multiple colors for hybrid strategies and flexible deck-building options This sets up a very simple organization system: color
1 Rishkar, Peema Renegade
Don't get me wrong, there's serious stuff to deal withmutant monsters, irradiated food, ruthless raiders But there's so much charm and strangeness to the world that you can't help but fall in love with it, rads and all