Activate Will's second ability by removing two loyalty counters from it, causing target player to draw two cards and causing all instant, sorcery and planeswalker spells you cast to cost 2 less this turn.
Activate the aritfact and/or land by tapping it, adding at least .
Cast Ghostly Flicker by paying , blinking Archaeomancer and the artifact and/or land.
Archaeomancer enters the battlefield, returning Ghostly Flicker from the graveyard to your hand.