Draw a card.
The opponent's Wedding Ring triggers, causing them to draw a card.
Consecrated Sphinx triggers, allowing you to draw two cards.
Repeat from step 2.

Infinite card draw

Infinite card draw for opponents that control a Wedding Ring

Wedding Ring

Consecrated Sphinx

Draw a card.
The opponent's Wedding Ring triggers, causing them to draw a card.
Psychic Possession triggers, allowing you to draw a card.
Repeat from step 2.

Infinite draw triggers

Infinite draw triggers for opponents that control a Wedding Ring

Psychic Possession

Draw a card by any method.
The opponent's Wedding Ring's second ability triggers, causing them to draw a card.
Notion Thief causes that opponent to skip that draw, and causes you to draw a card instead.
Repeat from step 2 until you remove a combo piece from the board at instant speed; if you do not you will draw from an empty library and lose the game.

Notion Thief

Draw a card.
The opponent's Wedding Ring triggers, causing them to draw a card.
Mind's Eye triggers, holding priority, activate a permanent you control by tapping it, adding {1}.
Activate Mind over Matter by discarding a card, untapping the mana-producing permanent.
Resolve the Mind's Eye trigger, causing you to pay {1} to draw a card.
Repeat from step 2.

Infinite looting

Infinite self-discard triggers

Mind's Eye

Mind Over Matter

Draw a card.
The opponent's Wedding Ring triggers, causing them to draw a card.
Mind's Eye triggers, holding priority, activate Skirge Familiar by discarding a card, adding {B}.
Resolve the Mind's Eye trigger, causing you to pay {1} to draw a card.
Repeat from step 2.

Skirge Familiar

During an opponent's turn who controls a Wedding Ring, activate Shocker by tapping it, dealing 1 damage to that opponent.
Shocker triggers, causing the opponent to discard their hand and draw that many cards.
The Wedding Ring you control triggers for each card drawn, causing you to draw that many cards.
Activate Mind Over Matter by discarding a card, untapping Shocker.
Repeat.

Near-infinite card draw

Near-infinite damage

Near-infinite draw triggers

Near-infinite self-discard triggers

Near-infinite untap of permanents you control

Near-infinite mana permanents you control can produce

Shocker

Viridian Longbow

Activate Thallid Soothsayer by paying {2} and sacrificing another creature, causing you to draw a card.
An opponent's Wedding Ring's second ability triggers, causing them to draw a card.
Xyris' first ability triggers, creating a 1/1 Snake creature token.
When the Snake enters the battlefield, Mana Echoes triggers, adding {C} for each Snake you control.
Repeat.
If you control two or more Snakes when you begin the combo, this combo will net near-infinite colorless mana.

Near-infinite colorless mana

Near-infinite death triggers

Near-infinite creature ETB

Near-infinite creature LTB

Near-infinite creature sacrifice triggers

Xyris, the Writhing Storm

Thallid Soothsayer

Mana Echoes

Activate Thallid Soothsayer by paying {2} and sacrificing another creature, causing you to draw a card.
An opponent's Wedding Ring's second ability triggers, causing them to draw a card.
Xyris' first ability triggers, creating two 1/1 Snake creature tokens.
Activate Ashnod's Altar by sacrificing a Snake, adding {C}{C}.
Repeat.

Combos with "Wedding Ring"