||Draw for turn. Fetch Island, play the Petal, Rog and exile Spirit Guide. Sac the Petal and use the floating mana to play Badgermole. Earthbend the Island. Tap the Island for UG and play Earthcraft. Tap Rog to untap the Island then tap the Island for UG and cast Thrasios. Tap Thrasios to untap the Island, then tap the Island for UG and cast the Allosauros Shephard (U floating). Your spells are now uncounterable. Tap the Shephard for UG and cast Chatterstorm with storm count 6, creating 7 squirrels. Now, tap 2 Squirrels to cast Nature's Rhythm with X=2. Put Fleshduplicate into play and copy Badgermole. Now the Island taps for 3. Harmonize Nature Rhythm's for X=3 by tapping 2 Squirrels (+ floating U). Put Spellseeker into Play. Tap it for UGG and find Snap. Cast Snap for UG (floating G) targeting Spellseeker. Untap the Island, retap to float UGGG. Cast Spellseeker (floating U/G) and find Green Sun's Zenith. Cast Green Sun's Zenith for X=3 by tapping another Squirrel. Put Eternal Witness into play. Tap it for UGG and grab Snap. Spend UG to cast Snap targeting the Ewit and untapping the land. Re-tap the land for UGG (pays for Ewit). Cast Ewit to return Snap to hand. Tap Ewit for UGG (pays for Snap, netting G). Repeat the loop for infinite mana. Spin Thrasios to Victory. ||

Found an alternate line that doesn't use ||Flesh Duplicate||, which is interesting! ||Same opener, but cast Nature's Rhythm for X = 3 and find Spellseeker. Spellseeker ETB find Snap. Tap Spellseeker for UG and cast Snap, targeting Spellseeker & untapping Island. Recast Spellseeker, ETB tutor Crop Rotation. Tap Spellseeker for UG and Harmonize Nature's Rhythm for X = 3. Eternal Witness ETB returns Snap to hand. Tap Eternal Witness for UG and cast Crop Rotation sacrificing Island. Put Gaea's Cradle onto the battlefield and present infinite mana with Cradle + Snap + Eternal Witness + Island.|| Killer puzzle, friend!