Activate Krark-Clan Ironworks by sacrificing Hovermyr, adding {C}{C}.
When Hovermyr dies, Mortuary triggers, putting Hovermyr on top of your library from your graveyard.
Cast Hovermyr from the top of your library by paying {2}.
Repeat.

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Infinite storm count

Errant and Giada

Mortuary

Krark-Clan Ironworks

Hovermyr

Activate Ashnod's Altar by sacrificing Hovermyr, adding {C}{C}.
When Hovermyr dies, Mortuary triggers, putting Hovermyr on top of your library from your graveyard.
Cast Hovermyr from the top of your library by paying {2}.
Repeat.

Ashnod's Altar

Combos with "Hovermyr"