Embercleave Im not sure who came up with the Believe in the Cleave thing, but its a spot-on reference to how powerful Embercleave is
One of those was toxic, which relates to infect, a previous Phyrexian-themed mechanic
The other potential interrupt is with instant speed removal spell
Sauron the Dark Lord packs unique ability on top of unique abilities, which makes him really fun to play
The card can be nice in an EDH flier tribal deck with Sephara, Sky's Blade or Errant and Giada as commanders or a deck with many flying tokens
Typically you cover yourself with hand disruption, countermagic, bounce, and splashes so as to give you some means of handling problems in the more awkward colours when you need to