It needs less bodies to win with since you only need to deal 10 total damage to your opponent to kill them, and in multiplayer you just need 10 per person, very possible in one turn
Caterpie evolves into Metapod and Butterfree, and those two tend to get more love than the little green caterpillar
Fortunately, Emrakul is banned in Commander, but it can still terrorize the Modern and Legacy formats.
This type of larger deck size requirement is a very interesting mechanic in my opinion to shake up the design space a bit, posing a consistency/slightly worse card pool vs one extra card trade off
While Charizard ex from 151 (316.44) still ranks in the top five, the top two spots belong to Umbreon and Mew
At common, we have Ephemerate and Settle Beyond Reality as straightforward ways to blink your creatures for value