Merfolk Delver

[GoJuDragon]

Merfolk Delver 75 cards, 15 sideboard 22 {Island} 22 lands 4 {Coral Merfolk} 4 {Merfolk of the Pearl Trident} 4 {Scroll Thief} 3 {Talrand, Sky Summoner} 4 {Master of the Pearl Trident} 19 creatures 3 {Divination} 3 {Cackling Counterpart} 1 {Tamiyo, the Moon Sage} 2 {Essence Scatter} 4 {Think Twice} 2 {Negate} 4 {Thought Scour} 19 other spells Sideboard 2 {Negate} 2 {Silent Departure} 3 {Devastation Tide} 2 {Dissipate} 2 {Essence Scatter} 4 {Outwit} 15 sideboard cards

[Dudecore]

28% chance of Delver flip (did I do the math right?) not ideal, but doable.

[panda777]

Maybe a bit more instances? And {phantasmal image} for coping delver flips and lords?

[Harmon74]

Too many critters for Delver.  Just go all out folk dude!  Lol