Aphelia, Viper Whisperer

Legendary Creature — Gorgon Assassin — {1}{B}

Deathtouch Whenever Aphelia attacks, you may pay {1}{B/G}. If you do, create a 1/1 black Snake creature token with deathtouch. {4}{B}: Until end of turn, whenever one or more Gorgons and/or Snakes you control deal combat damage to a player, that player loses half their life, rounded up.