Slithas Poison Fang

Partner with Elon Rotten Branch (When this creature enters the battlefield, target player may put Elon into their hand from their library, then shuffle.)
Flying, Infect
Warriors your team controls have flying and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters. A player with ten or more poison counters loses the game.)