Resolve the final trigger, causing you to pay ({3} magic symbol) to create two creature tokens.
Repeat from step 3.
Notes
If you sacrifice a creature to start using
Ashnod's Altar, the starting cost is reduced to ({1} magic symbol) . You can instead use a permanent that can sacrifice itself (like a Treasure token) or another method to sacrifice a permanent (like Braids, Arisen Nightmare).
Results
Infinite artifact ETB.
Infinite artifact LTB.
Infinite artifact sacrifice triggers.
Infinite creature LTB.
Infinite creature ETB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Infinite colorless mana.
Infinite creature tokens.
Metadata
In 30 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).