Memento - Island

{Tap}, Return target spell you control to its owner's hand: Put 3 Tempest counters on Aqua Memoria. If that spell's mana value was 3 or higher put 5 Tempest counters on Aqua Memoria instead.

{T}, Remove X Tempest counters from Aqua Memoria: Add that much {U}. The third spell you cast this turn has Storm.