Waterfall residents

Banding Echoed Steps — Whenever Waterfall Patrol enters the battlefield or attacks, create a 1/1 blue Monster creature token named Echo with “This creature can’t be blocked except by two or more creatures.” Cleanse or Flex — {1}{G/U}: Choose one. • Target creature gets +1/+1 until end of turn. • Tap target creature. “The sound of rushing water fills you with determination.”