South Wind Avatar is a rare Creature — Snake Spirit Avatar card from Teenage Mutant Ninja Turtles (TMT), collector number 269. Current market price: $3.68 (foil $4.59), TCGplayer market prices via Scryfall.
Deathtouch Whenever another creature you control dies, you gain life equal to its toughness. Whenever you gain life, each opponent loses 1 life.