[deck=Mono-Blue Tempo]
Creature
4 Tempest Djinn
4 Siren Stormtamer
4 Mist-Cloacked Herald
2 Warkite Marauder
4 Merfolk Trickster

Enchantment
4 Curious Obsession

Land
20 Island

Instant
4 Opt
2 Spell Pierce
4 Dive Down
4 Wizard's Retort
1 Essence Scatter

Sorcery
2 Chart a Course
1 Sleep

Sideboard
4 Exclusion Mage
1 Sentinel Totem
1 Diamond Mare
1 Negate
1 Essence Scatter
1 Chemister's Insight
2 Disdainful Stroke
1 Entrancing Melody
1 Sleep
1 Selective Snare
1 Jace, Cunning Castaway
[/deck]

Mono-Blue Tempo

4 Tempest Djinn
4 Siren Stormtamer
4 Mist-Cloacked Herald
2 Warkite Marauder
4 Merfolk Trickster
4 Curious Obsession
20 Island
4 Opt
2 Spell Pierce
4 Dive Down
4 Wizard's Retort
1 Essence Scatter
2 Chart a Course
1 Sleep


Sideboard
4 Exclusion Mage
1 Sentinel Totem
1 Diamond Mare
1 Negate
1 Essence Scatter
1 Chemister's Insight
2 Disdainful Stroke
1 Entrancing Melody
1 Sleep
1 Selective Snare
1 Jace, Cunning Castaway