The word is "epic". This is one of my favorite mechanics just because how awesome it seems.
Inevitable Doom 3BBBB
Search your library for a permanent card and put it onto th battlefield. You lose half your life total, rounded up.
Epic *>Thanks to /u/taw for running the previous round.
It's been a while since we've done an open-ended create-a-mechanic task, so let's do that. Your challenge this week is to either:
create a new keyword ability, keyword action, or ability word that has four letters, and illustrate it with one or more cards; or
create one or more cards that explore interesting new design space for an existing four-letter keyword ability, keyword action, or ability word (those words are Echo, Fear, Epic, Fuse, Dash, Crew, Riot, Cast, Play, Scry, Vote, Meld, Goad, and Raid).
Judging will occur on December 8.
(For the rest of the game, you can’t cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)*