Requires

Displacer Kitten must be on the battlefield. Archaeomancer must be on the battlefield. Seething Song must be in the graveyard. Desperate Ritual must be in hand. Mana needed:

Steps

1. Cast Desperate Ritual by paying .
2. Displacer Kitten triggers, blinking Archaeomancer.
3. Archaeomancer enters the battlefield, returning Seething Song from your graveyard to your hand.
4. Resolve Desperate Ritual, adding .
5. Cast Seething Song by paying .
6. Displacer Kitten triggers, blinking Archaeomancer.
7. Archaeomancer enters the battlefield, returning Desperate Ritual from your graveyard to your hand.
8. Resolve Seething Song, adding .
9. Repeat.

Results