South Wind Avatar is a rare Creature — Snake Spirit Avatar card from Teenage Mutant Ninja Turtles (TMT), collector number 78. Current market price: $1.12 (foil $1.51), 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.