Ultimecia is a beefy 7/7 with Menace, which can finish your opponent off in just three swings if they lack good blockers
In this month's "Winning Ways" I'm going to start with a look at another one of those cards that reads "win the game." Winning with a "win the game" card can be relatively easy if you're going the tried and true Lab Man route
Life gain can make for great sideboard cards against burn-heavy decks
(These are playable Magic cards you could play in other decks as well, but for the purposes of this game they are essentially just used as reminder game pieces.) From there, you can win either by killing all three of your opponents like in Magic or correctly guessing the cards in the envelope like in Clue
The biggest is that it just doesnt have the mana rocks you want to see in a Commander deck
For simplicity's sake, I'm representing these in a bullet-point format, but if you're looking for additional effects to round out your lists with some variety, you should consider some of these