1 Dimir Guildgate
20 Island
10 Swamp
1 Arcane Denial
1 Arcane Signet
1 Baleful Mastery
1 Brainstorm
1 Charcoal Diamond
1 Chemister's Insight
1 Commander's Sphere
1 Consider
1 Counterspell
1 Countersquall
1 Delay
1 Dig Through Time
1 Dimir Signet
1 Disdainful Stroke
1 Dispel
1 Doom Blade
1 Drown in the Loch
1 Fact or Fiction
1 Foil
1 Forbidden Alchemy
1 Frantic Search
1 Impulse
1 Infernal Grasp
1 Memory Deluge
1 Mystic Confluence
1 Mystic Subdual
1 Mystical Teachings
1 Narset's Reversal
1 Negate
1 Notion Thief
1 Nymris, Oona's Trickster
1 Opt
1 Pongify
1 Rapid Hybridization
1 Reality Shift
1 Resculpt
1 Rewind
1 Run Away Together
1 Siphon Insight
1 Sky Diamond
1 Snuff Out
1 Sol Ring
1 Stunt Double
1 Swan Song
1 Treasure Cruise
1 Unwind
1 Wayfarer's Bauble
Sideboard:
1 Go for the Throat