Magic The Gathering (MTG) : Color combinations

2 colors combinations come from Guilds of Ravnica, but Drangonlords on Tarkir and Colleges on Strixhaven are accepted

3 colors come from Shards of Alara and Clans of Tarkir, but New-Capenna's crime families and Ikoria triomes are accepted

4 colors come from the Nephilims, but the guild identities form Commander 2016 are accepted