Megatron does not feature new mechanical card designs
Maybe if artifacts werent already the strongest card type in the game but they are
Whenever a creature with deathtouch deals any amount of damage to another creature it is enough to destroy it, regardless of the other creatures toughness
There are a very small number of red and black cards that use Vigilance, but these arent common enough that theres a discernable pattern for their use
#6: Urza, Lord High Artificer and Yawgmoth, Thran Physician Ive decided to lump these two cards together, not for flavor reasons, but for the fact that they are both powerful Humans that ultimately serve a similar purpose: providing a slightly powerful card advantage engine to help Humans stand a better chance in the late-game in grindier matchups
While value is a big deal in both types of deck construction, immediate value is more important in constructed, while exponential value reigns supreme in casual Commander
