On the downside, this Maleficent card is weak enough that it wont last long on the table without some help, either via Bodyguard cards or some other kind of support
Charizard : Specifically, Mega Charizard Y ex, which deals unrivalled Fire damage to opponents
This is the sweet spot in Commander to me: the power-to-dollar ratio is at its highest around this price point, and can be easily tweaked to increase or decrease in power as you see fit
Look at most competitive or even just well-developed decks and you can probably find some ETB or dying triggers
Mina and Denn, Wildborn, Azusa, Lost but Seeking, and Aesi, Tyrant of Gyre Strait each allow you to do this