Lets start by recognizing the battles range, including their in-game cost to play, also known as mana value, and the effects they provide for that cost potentially the most critical threshold to establish, since a large part of effective deck construction is maximizing the return on your mana investment at various points in a games early and late stages
If though you ever have three or more artifacts on the battlefield, Carapace Forger turns into a 4/4 creature (State B)
Time travelers from the future moved the Godzillasaurus to the Bering Sea, only for it to be exposed to radiation from a Russian submarine and become Godzilla sometime presumably in the 1970s
The prevailing trend is toward platforms that combine strong security with a welcoming design, so new visitors can understand the essentials at a glance while seasoned players discover depth in game variety and ongoing promotions
Why is it happening
The amount these cards have changed things is immediately obvious when you play Esper Reanimator