Cast Deadly Grub by paying {2}{B}.
Deadly Grub enters the battlefield with three time counters and a vigilance counter on it.
Activate Tayam by paying {3} and removing the three time counters from Deadly Grub.
Deadly Grub's vanishing ability triggers, holding priority, activate Ashnod's Altar by sacrificing Deadly Grub, adding {C}{C}.
Deadly Grub dies, creating a 6/1 Insect creature token.
Activate Ashnod's Altar by sacrificing the Insect, adding {C}{C}.
Resolve the Deadly Grub trigger from step 4, doing nothing since Deadly Grub is no longer on the battlefield.
Resolve the Tayam ability from step 3, causing you to mill three cards and return Deadly Grub from your graveyard to the battlefield.
Repeat from step 2.

Infinite colorless mana

Infinite creature tokens

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite self-mill

Put a selection of permanant cards from your library and graveyard onto the battlefield

Tayam, Luminous Enigma

Deadly Grub

Ashnod's Altar

Cast Deadly Grub by paying {2}{B}.
Deadly Grub enters the battlefield with three time counters and a vigilance counter on it.
Activate Tayam by paying {3} and removing the three time counters from Deadly Grub.
Deadly Grub's vanishing ability triggers, holding priority, activate Phyrexian Altar by sacrificing Deadly Grub, adding {1}.
Deadly Grub dies, triggering itself and Abzan Ascendancy.
Resolve the Deadly Grub trigger, creating a 6/1 Insect creature token.
Resolve the Abzan Ascendancy trigger, creating a 1/1 Spirit creature token.
Activate Phyrexian Altar twice by sacrificing the Insect and Spirit tokens, adding {2}.
Resolve the Deadly Grub trigger from step 4, doing nothing since Deadly Grub is no longer on the battlefield.
Resolve the Tayam ability from step 3, causing you to mill three cards and return Deadly Grub from your graveyard to the battlefield.
Repeat from step 2.

Phyrexian Altar

Abzan Ascendancy

Cast Deadly Grub by paying {2}{B}.
Deadly Grub enters the battlefield with three time counters and a vigilance counter on it.
Activate Tayam by paying {3} and removing the three time counters from Deadly Grub.
Deadly Grub's vanishing ability triggers, holding priority, activate Phyrexian Altar by sacrificing Deadly Grub, adding {1}.
Deadly Grub dies, triggering itself and Pitiless Plunderer.
Resolve the Deadly Grub trigger, creating a 6/1 Insect creature token.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate Phyrexian Altar by sacrificing the Insect, adding {1}.
The Insect dies, triggering Pitiless Plunderer, creating a Treasure token.
Activate a Treasure token by tapping and sacrificing it, adding {1}.
Resolve the Deadly Grub trigger from step 4, doing nothing since Deadly Grub is no longer on the battlefield.
Resolve the Tayam ability from step 3, causing you to mill three cards and return Deadly Grub from your graveyard to the battlefield.
Repeat from step 2.

Combos with "Deadly Grub"