Arcbound Reclaimer + Showdown of the Skalds + One with the Multiverse + Tormod's Crypt

Arcbound Reclaimer

Showdown of the Skalds

One with the Multiverse

Tormod's Crypt

How it works

1. Cast Tormod's Crypt either from your hand or from the top of your library by paying 0
2. Showdown of the Skalds triggers, putting a +1/+1 counter on Arcbound Reclaimer.
3. Activate Tormod's Crypt by tapping and sacrificing it.
4. Activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting Tormod's Crypt from your graveyard onto the top of your library.
5. Repeat.

This clever loop turns a seemingly innocuous zero-mana artifact into an infinite engine by leveraging top-deck manipulation and counter-generation. You begin by casting Tormod's Crypt, which triggers the second and third chapters of Showdown of the Skalds to place a +1/+1 counter onto Arcbound Reclaimer. You then sacrifice the Crypt to its own ability, and use the counter provided by Showdown of the Skalds to activate Arcbound Reclaimer, placing Tormod's Crypt right back on top of your library. From there, One with the Multiverse allows you to play that Tormod's Crypt directly from the top of your library for free, letting you repeat the entire process indefinitely.