When Peer into the Abyss resolves, you are very likely to draw at least 30 cards, and if your commander Starscream, Power Hungry is on the board and you are the monarch, you're definitely blowing up one opponent's life
Whenever a land's ability causes you to add one or more mana of the chosen color, add an additional one mana of that color
You get to manifest a card from the top of your deck, putting two +1/+1 counters on it and a trample token to boot, giving you a 4/4 for four mana, which is a fair exchange
Finally, each of those cards are converted into a fully specified JSON object using the processes I described above, and the Magic Set Editor is used to turn them into full cards With all these steps together, the program is able to create a pretty coherent set