Primal Amulet // Primal Wellspring | Dramatic Reversal | Narset's Reversal

Cards

Activate
Primal Wellspring and another mana-producing nonland permanent by tapping them, adding at least ({1} magic symbol) ({U} magic symbol) .
Cast
Dramatic Reversal by paying ({1} magic symbol) ({U} magic symbol) .
Primal Wellspring triggers, copying
Dramatic Reversal.
Resolve the copy of
Dramatic Reversal, untapping all nonland permanents you control.
Activate
Primal Wellspring and the mana-producing permanent by tapping them, adding at least ({U} magic symbol) ({U} magic symbol) .
Cast
Narset's Reversal by paying ({U} magic symbol) ({U} magic symbol) , targeting
Dramatic Reversal.
Primal Wellspring triggers, copying
Narset's Reversal targeting the original
Narset's Reversal.
Resolve the copy of
Narset's Reversal, copying the original
Narset's Reversal targeting
Dramatic Reversal, and returning the original
Narset's Reversal to your hand.
Resolve
Narset's Reversal, copying
Dramatic Reversal and returning the original
Dramatic Reversal to your hand.
Resolve the copy of
Dramatic Reversal, untapping all nonland permanents you control.
Repeat.
If nonland permanents you control can tap to produce at least ({1} magic symbol) ({U} magic symbol) , this combo nets infinite mana.