These prices are determined by the average market price from cards listed on TCGPlayer, and are subject to fluctuations as time passes and the competitive meta evolves
If you convert Ratchet as it resolves, a second ability triggers and you choose a target for it
If any of your creatures are both colors, they get a +2/+2 buff, which includes the 1/1 Worms created on your upkeep
One of these will have deathtouch, and the other will have lifelink
Theres been a whole swath of criticism lately about the price of some Magic products, but the ground truth is that for the most part, the cards we want to play with in Commander are affordablealthough you dont want to get me started on manabases
Both of these have seen tremendous competitive play in a variety of formats, filling similar roles but having different utility depending on the format and metagame