Here are my favorites: He threads that fine line between silly and reasonable pretty well, and this is the exact sort of slow, powerful card that people love to play in Commander
Most cards that are able to ready a character are restricted from questing multiple times, but Beast is free to quest as many times as you can trigger his ability, making him a dangerous card that can end the game by scoring four or six Lore in a flash
When any source deals damage to you or a permanent you control, they will lose two life unless they can pay one generic mana
Typically, having very few cards in your library is a nightmare scenario, so cards like Doomsday or Leveler are trying to enact a harsh penalty that turns out to be a boon
A four mana artifact that generates two mana is unplayable in Legacy Cube and underwhelming in most others
Twice per turn per creature on any target from any player, and the lands it flipped come into play untapped