Activate Ashnod's Altar twice by sacrificing Tenacious Tomeseeker and Ministrant of Obligation, adding {C}{C}{C}{C}.
When Tenacious Tomeseeker and Ministrant of Obligation die, Pitiless Plunderer triggers twice, and Ministrant of Obligation triggers once.
Resolve both Pitiless Plunderer triggers, creating two Treasure tokens.
Resolve the Ministrant of Obligation trigger, creating two 1/1 Spirit creature tokens.
Activate the Treasures by tapping and sacrificing it, adding {U}{B}.
Cast Back for Seconds by paying {2}{B}, and choosing to pay its bargain cost by sacrificing a Spirit.
When the Spirit dies, Pitiless Plunderer triggers, creating a Treasure token.
Resolve Back for Seconds, returning Tenacious Tomeseeker and Ministrant of Obligation from your graveyard to your hand, and then putting Ministrant of Obligation onto the battlefield.
Cast Tenacious Tomeseeker by paying {2}{U}, and choosing to pay its bargain cost by sacrificing a Spirit token.
When the Spirit dies, Pitiless Plunderer triggers, creating a Treasure token.
When Tenacious Tomeseeker enters the battlefield, it triggers, returning Back for Seconds from your graveyard to your hand.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite artifact tokens

Infinite creature LTB

Infinite creature ETB

Infinite colored mana

Infinite creature sacrifice triggers

Infinite death triggers

Infinite colorless mana

Infinite storm count

Infinite magecraft triggers

Infinite Treasure tokens

Back for Seconds

Tenacious Tomeseeker

Ministrant of Obligation

Ashnod's Altar

Pitiless Plunderer

Activate Ashnod's Altar by sacrificing Tenacious Tomeseeker, adding {C}{C}.
When Tenacious Tomeseeker dies, Mortuary triggers, putting Tenacious Tomeseeker on top of your library from your graveyard.
Cast Hit the Mother Lode by paying {4}{R}{R}{R}, exiling Tenacious Tomeseeker from the top of your library and casting it without paying its mana cost, sacrificing an artifact, enchantment or token to its Bargain ability, and creating seven tapped Treasure artifact tokens.
When the Treasures enter the battlefield, Amulet of Vigor triggers seven times, untapping the Treasures.
Tenacious Tomeseeker enters the battlefield, triggering itself, returning Hit the Mother Lode from your graveyard to your hand.
Activate five Treasures by tapping and sacrificing them, adding {2}{R}{R}{R}.
Repeat.

Hit the Mother Lode

Mortuary

Amulet of Vigor

Activate Phyrexian Altar by sacrificing Tenacious Tomeseeker, adding {R}.
When Tenacious Tomeseeker dies, Mortuary triggers, putting Tenacious Tomeseeker on top of your library from your graveyard.
Cast Hit the Mother Lode by paying {4}{R}{R}{R}, exiling Tenacious Tomeseeker from the top of your library and casting it without paying its mana cost, sacrificing an artifact, enchantment or token to its Bargain ability, and creating seven tapped Treasure artifact tokens.
When the Treasures enter the battlefield, Amulet of Vigor triggers seven times, untapping the Treasures.
Tenacious Tomeseeker enters the battlefield, triggering itself, returning Hit the Mother Lode from your graveyard to your hand.
Activate six Treasures by tapping and sacrificing them, adding {4}{R}{R}.
Repeat.

Phyrexian Altar

Activate Thermopod's second ability by sacrificing Tenacious Tomeseeker, adding {R}.
When Tenacious Tomeseeker dies, Mortuary triggers, putting Tenacious Tomeseeker on top of your library from your graveyard.
Cast Hit the Mother Lode by paying {4}{R}{R}{R}, exiling Tenacious Tomeseeker from the top of your library and casting it without paying its mana cost, sacrificing an artifact, enchantment or token to its Bargain ability, and creating seven tapped Treasure artifact tokens.
When the Treasures enter the battlefield, Amulet of Vigor triggers seven times, untapping the Treasures.
Tenacious Tomeseeker enters the battlefield, triggering itself, returning Hit the Mother Lode from your graveyard to your hand.
Activate six Treasures by tapping and sacrificing them, adding {4}{R}{R}.
Repeat.

Thermopod

Combos with "Tenacious Tomeseeker"