Dabrit, Elder Plague Master

Rats, Bats, Insects, Snakes, Spiders, and Pests
you control have deathtouch and menace.
Whenever a creature with deathtouch deals
damage to an opponent, each player may choose
to get a poison counter. (A player with ten or more poison counters loses the game.)
Whenever a player gets a poison counter, that
player draws a card and loses 2 life.