With three colors you can fine tune your sideboard for the most problematic matchups, and even go so far as include m11-188-obstinate-baloth for discard decks
While five-color Commanders have it a bit better than colorless Commanders, there are still only around 50 of them in the entirety of Magic: The Gathering
Learn the difference between Common, Uncommon, Rare, and Ultra Rare cards, plus how to identify and value them
(Note that blue can also counter nonpermanents, but that's not the topic of today's column.) I often talk about how blue is the most reactive color, and this can be seen in that one of its most potent tools can only be used reactively to the casting of the spell
[58] As they continued travelling through Duel Academy, Riley learned from Ray that Leo was trying to split the world again using the four cards that had been revived instead of her