Main deck (60)
4 Anticognition
2 Behold the Multiverse
4 Brainstorm
2 Counterspell
4 Drowner Initiate
18 Island
4 Jace's Erasure
4 Jace's Phantasm
4 Merfolk Secretkeeper
4 Opt
2 Run Away Together
4 Thought Scour
4 Unsummon

Sideboard (15)
4 Blue Elemental Blast
1 Counterspell
2 Didn't Say Please
2 Glacial Grasp
1 Mana Leak
2 Merfolk Looter
3 Repulse