Raise the Alarm is a great support spell with a card like Black Widow, Agile Avenger that helps you earn a card or more with each activation
The best way to build around this red creature is to pack your deck full of devils and any and all red cards that can cause chaotic game states, which there are honestly a lot of
If you Offspring, your opponent has no way to remove your creatures without you getting to put two counters somewhere, and playing this on one is pretty good too
One your mana was doubled there were any number of ways to start generating massive card advantage and take over the game in short order, with Wrath of God serving as the four-drop to lead into the Wake and Mirari itself, which was usually the way things ended
Shes currently one of the most popular commanders, and for good reason: whenever you play a land when shes on board, you draw a card