Cast Time Warp by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , granting you an extra turn after this one.
Cast Mystic Reflection by paying ({1} magic symbol) ({U} magic symbol) , causing the next creatures or planeswalkers to enter the battlefield this turn to enter as copies of Archaeomancer.
Cast Sram's Expertise by paying ({2} magic symbol) ({W} magic symbol) ({W} magic symbol) , creating three token copies of Archaeomancer and allowing you to cast a card with mana value 3 or less from your hand without paying its mana cost.
Each of the Archaeomancer's ETBs trigger, returning Mystic Reflection, Time Warp, and Sram's Expertise to your hand.