I use this over four Lillipup due to the high (140) HP, the ability to get three Crushing Hammers back instead of just one, and the ability to do some solid damage when needed
If a creature with infect attacks a player, instead of doing damage, they put a number of poison counters on that player equal to their power
Illustrated by Kim Sokol Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Paying four mana to draw one card seems like a terrible rate, and by all means, it is, but there are two crucial things to consider before you dismiss this card: the mana cost is entirely generic, and it can snowball fast
Mirkwood Bats is a bit costly in mana, but once it hits the battlefield you can win the game off of its effect