Underworld Breach and Thousand-Year Storm on the battlefield.
You have an additional three cards in your graveyard if Frantic Search is in your graveyard.
You control up to three lands that can tap to produce at least ({1} magic symbol) ({U} magic symbol) .
You have cast at least one instant or sorcery spell this turn.
({1} magic symbol) at most available.
Steps
Activate up to three lands by tapping them, adding at least ({1} magic symbol) ({U} magic symbol) .
Cast Frantic Search either from your hand by paying ({2} magic symbol) ({U} magic symbol) , or from your graveyard for its escape cost by paying ({2} magic symbol) ({U} magic symbol) and exiling three other cards from your graveyard.
Thousand-Year Storm triggers, copying Frantic Search for each instant or sorcery you've cast before it this turn.
Resolve the first copy of Frantic Search, causing you to loot twice and untap up to three lands.
Holding priority, activate up to three lands by tapping them, adding at least ({1} magic symbol) ({U} magic symbol) .
Repeat from step 4 for each remaining copy of Frantic Search.
Resolve the original Frantic Search, causing you to loot twice and untap up to three lands.