Fynn, the Fangbearer is a uncommon Legendary Creature — Human Warrior card from Multiverse Legends (MUL), collector number 91.
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever a creature you control with deathtouch deals combat damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)