The first of the two is Lord Xander, whose three abilities for 4BUR are not to be underestimated in their value one opponent discards half of his or her hand (rounded down), mills half of his or her library (rounded down) or sacrifices half of his or her permanents, this hits in almost every game
Jared Carthalion Power-wise on this list, we're just getting started with Jared Carthalion
Jodah likes this too
Letting one Bolas Citadel in play is already a big threat, so having one in the command zone you can cast over and over again should be classed as a war crime
If you prefer to opt out of the Arena-only formats and stick to Standard and Explorer, which mimic tabletop play, that works too
Yes, Ral belongs on this list, but no, it's a commander better suited to a job other than leading your coin flip deck