Reef Worm

When Reef Worm dies, create a 3/3 blue Fish creature token with "When this creature dies, create a 6/6 blue Whale creature token with ‘When this creature dies, create a 9/9 blue Kraken creature token.'"

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"

When Reef Worm dies, put a 3/3 blue Fish creature token onto the battlefield with "When this creature dies, put a 6/6 blue Whale creature token onto the battlefield with ‘When this creature dies, put a 9/9 blue Kraken creature token onto the battlefield.'"