It addresses a core problem that Dragon Typal decks often have, while still meshing perfectly with their overall playstyle
$0.49 Golgari Keyrune Return to Ravnica $0.35 Gruul Keyrune Gatecrash $0.35 Orzhov Keyrune Gatecrash $1.49 Vorrac Battlehorns Mirrodin $0.49 Azorius Keyrune Return to Ravnica $0.49 Selesnya Keyrune Return to Ravnica $0.49 Izzet Keyrune Return to Ravnica $0.99 Polukranos, World Eater Theros $1.99 Dimir Keyrune Gatecrash $0.35 Simic Signet Dissension $0.49 Gruul Locket Ravnica Allegiance $0.79 Rakdos Keyrune Return to Ravnica 0 results found
Not to mention Sefris Create Undead payoff for having completed a dungeon
For example, ditching something like Solemn Simulacrum, Circuit Mender, or Myr Retriever can all be great value on top of getting to tutor for a spell and cast it for free
(If they're worth two or three, draw the equivalent number, of course.) There are two other ways to win
Its not exactly a new concept, but this is the first time that were seeing one that works on multiple creature types at once without any other restrictions