mtg card type definition Magic: Standard Cheat Sheet by rbroen Magic: the Gathering Basic Definitions:

When were lucky enough to open Dead Drop, Bitter Revelation becomes even better, and we can play as many as three copies

Board wipes Board wipes, on the other hand, are great in Commander

In addition to the new label, collectors enjoy many other benefits with CGC Cards, such as the ability to submit without purchasing a membership and an industry-standard Gem Mint 10 Grading Scale

The value can be provided to any combination of cards, making this one of the most powerful and adaptive Commander combinations of all time

Its been more common for WotC to create new subtypes than main types

Collector Boosters Modern Horizons 2 Collector Boosters feature exclusive card treatments and cards only found inside the Collector Booster