Bloomburrow's squirrel-themed Commander deck, Squirreled Away, is known to do much the same
As such, we will be ranking these cards with these formats in mind, but this ranking will focus more on Commander than the other formats
And finally Kytheon, Hero of Akros was a short-lived experiment that was meant to convert Human triggers into a no-mana-required value engine, but it turns out that his Planeswalker mode doesn't really generate value the way others do
Its a card that anyone whos not got it in play hates, because what actually happens is that everyone will pay the cost for a turn or two, but once someone stops, everyone does
What gets it on the list, besides the fact that these kinds of draw effects can be very good where theyre used, is Plot
For maximum value, I like the elf token copy and untap + mass pump, but even if you don't have a great elf in play, the other two options can pull you out from a losing situation