Thran Vigil + Sarinth Steelseeker + Arcbound Reclaimer + Unshakable Tail

Thran Vigil

Sarinth Steelseeker

Arcbound Reclaimer

Unshakable Tail

How it works

1. Cast Arcbound Reclaimer by paying 4.
2. When Arcbound Reclaimer enters the battlefield, Sarinth Steelseeker triggers.
3. Holding priority, activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting an artifact creature card from your graveyard onto the top of your library.
4. Thran Vigil triggers, putting a +1/+1 counter on Arcbound Reclaimer.
5. Resolve the Sarinth Steelseeker ability, putting the artifact creature card from the top of your library into your graveyard.
6. Unshakable Tail triggers, creating a Clue token.
7. When the Clue enters the battlefield, Sarinth Steelseeker triggers.
8. Repeat from step 3.