Kefkas ability to wear down your opponents while helping you keep a steady supply of new cards feels extremely relevant to the current midrange meta in cEDH, although Im not sure that he will outperform Tymna the Weaver // Kraum, Ludevics Opus
Samurai of the Pale Curtain Just like Anafenza, the Foremost , this prevents creature loops but doesnt affect other card types
Thats an incredible boost of speed if you have an awesome five-drop that can be cast with red, red, red, red, and another land
Blood is a new mechanic, but specifically a new kind of token
Like Cinderella 3, these slippers will make any prince jump out a window in order to find true love
If any abilities trigger during this process, they'll be put on the stack the next time a player gets priority, usually during the subgame's first upkeep