iMtG Server: Gathering

Merfolk 60 cards, 0 sideboard 4 {Breeding Pool} 4 {Hinterland Harbor} 7 {Island} 7 {Forest} 22 lands 2 {Talrand, Sky Summoner} 4 {Master of the Pearl Trident} 4 {Augur of Bolas} 2 {Prime Speaker Zegana} 4 {Acidic Slime} 3 {Clone} 19 creatures 1 {Beck // Call} 2 {Jace, Architect of Thought} 4 {Give // Take} 4 {Thought Scour} 4 {Think Twice} 4 {Spell Rupture} 19 other spells Sideboard

Need help please

I like {Cackling Counterpart} over {Clone} mainboard personally. It's an instant too so it triggers Talrand, and it has Flashback! It also costs a little bit less.

 {Progenitor Mimic}