Deal combat damage to an opponent using Wanderwine Prophets.
Wanderwine Prophets triggers, causing you to sacrifice a Merfolk to take an extra turn after this one.
At the beggining of the end step, Thassa triggers, blinking Benthicore.
Benthicore enters the battlefield, creating two 1/1 Merfolk Wizard creature tokens.
Repeat.

Infinite turns

Lock

Thassa, Deep-Dwelling

Wanderwine Prophets

Benthicore

Deal combat damage to an opponent using Wanderwine Prophets.
Wanderwine Prophets triggers, causing you to sacrifice a Merfolk to take an extra turn after this one.
At the beggining of the end step, Conjurer's Closet triggers, blinking Benthicore.
Benthicore enters the battlefield, creating two 1/1 Merfolk Wizard creature tokens.
Repeat.

Conjurer's Closet

Activate Benthicore by tapping it, creating five 1/1 Elemental tokens with haste that are also Merfolks due to Xenograft.
Activate Benthicore by tapping two Elemental tokens, untapping Benthicore.
Repeat.

Infinite creature tokens with haste

Infinite ETB

Elemental Mastery

Xenograft

Activate Benthicore by tapping it, creating five 1/1 Elemental tokens with haste that have all creature types due to Maskwood Nexus.
Activate Benthicore by tapping two Elemental tokens, untapping Benthicore.
Repeat.

Maskwood Nexus

Activate Benthicore by tapping it, creating five 1/1 Elemental tokens with haste that are also Merfolks due to Arcane Adaptation.
Activate Benthicore by tapping two Elemental tokens, untapping Benthicore.
Repeat.

Arcane Adaptation

Deal combat damage to an opponent using Wanderwine Prophets.
Wanderwine Prophets triggers, causing you to sacrifice a Merfolk to take an extra turn after this one.
At the beggining of the end step, Soulherder's second ability triggers, blinking Benthicore.
Soulherder's first ability triggers, putting a +1/+1 counter on it.
Benthicore enters the battlefield, creating two 1/1 Merfolk Wizard creature tokens.
Repeat.

Soulherder

Deal combat damage to an opponent using Wanderwine Prophets.
Wanderwine Prophets triggers, causing you to sacrifice a Merfolk to take an extra turn after this one.
At the beggining of the end step, Teleportation Circle triggers, blinking Benthicore.
Benthicore enters the battlefield, creating two 1/1 Merfolk Wizard creature tokens.
Repeat.

Combos with "Benthicore"