If you get through your whole library without revealing a land card, you'll just end up revealing and randomizing your library
Thats a 589% increase
(A creature with menace can't be blocked except by two or more creatures.) Midnight Mayhem affects only Gremlins you control at the time it resolves, including the Gremlin tokens it creates
In theory, we can double up counters with Maulfist Revolutionary or Quarry Hauler, but that's a lot of work to make Imminent Doom deal two damage instead of one, or four damage instead of two, and we'd still need to cast a spell with the right converted mana cost to trigger it
We have a wonderful card that holds up the Coin Flip archetype, the Chosen Digit that points the flock of crappy jank into the direction of playable mediocrity
I'm quite certain I don't even do black justice here, but I'll refrain from bloating this response further