The system was originally made as a joke by lead game designer Mark Rosewater but has since become a legitimate way of ranking mechanics from evergreen to never again. Things like artifact creatures or flying are ranked at level 1, which indicates theyre evergreen mechanics
Meanwhile, you're free to fly through the air with Serra Angel, Serendib Efreet, Clockwork Avian, or Morphling
Cruel Finality: good in Limited and casual play
Lorcana (lore + arcana) is a magical realm where players take on the role of Illumineers and use magical ink to summon "Glimmers" (copies) of Disney characters from various stories, some familiar and some with bizarre twists, to help them collect lore (victory points)
MTGNexus, MTG.Design, and Magic Set Editor are all highly rated by users for their features such as user-friendly interfaces, customizable options, card organization capabilities, image rendering of the created cards, and exportation of entire sets for gameplay
He also has a Blood Artist effect: whenever another creature dies, you gain one life and target opponent loses one life