All permanents on the battlefield (Spark Double as a copy of Minn).
You control an Island that enters the battlefield untapped.
({U} magic symbol) available.
Steps
Cast High Tide by paying ({U} magic symbol) .
Activate an Island by tapping it, adding ({U} magic symbol) .
High Tide triggers, adding ({U} magic symbol) .
Activate Meloku by paying ({1} magic symbol) and returning the tapped Island from the battlefield to your hand, creating a 1/1 Illusion creature token.
Activate High Market's second ability by tapping it and sacrificing the Illusion.
When the Illusion dies, Spark Double and Minn's second abilities trigger.
Holding priority, activate Meloku by paying ({1} magic symbol) and returning High Market from the battlefield to your hand, creating a 1/1 Illusion creature token.
Resolve the Spark Double and Minn triggers, putting an Island and High Market from your hand onto the battlefield.