mtg cards that can be played from exile Rules Text: cast, from, exile, 1298 Mint / near mint condition trading card What happens to cards cast

But to play it, the symbols in the upper right tell me that I need to have one mountain land card out and one other land of any other type

You can be silly and make a mostly-ramp Codie, Vociferous Codex deck

Cold-Eyed Selkie Cold-Eyed Selkies made rounds in EDH since the dawn of the format, punishing anyone foolish enough to play islands in their deck (youre not getting out of this one easy, Hallowed Fountain)

The Lorcana starter decks do this already (Amber & Amethyst, Emerald & Ruby, Sapphire & Steel), but players can and should experiment with other combinations

Creatures that provide additional benefits, like card advantage or creature removal, are premium

The grey number indicates how much colourless mana is needed, meaning any colour can be used