For just one red mana, you can kill a tiny leader, deal the last 3 damage needed to take an opponent out of the game, or finish off a pesky planeswalker or battle sitting on board
Sure, you will likely get a win or two off with the instant-lose ability, but getting a six or seven drop legendary creature out on turn two or three is much more reliable
a sheet of paper) to block excess light
Free sacrifice outlets are good, and one that turns your gobos into mana is good too
If things get rough, dont worry, there are some of Aeriths healing spells in there as well.
Even rarer, though, are four-color commanders, who let you use four of the five card colors in your deck