Activate Lore Broker by tapping it, causing each player to loot.
Xyris' first ability triggers for each card opponents draw this way, creating that many 1/1 Snake creature tokens.
The Snakes enters the battlefield, triggering Intruder Alarm that many times, untapping all creatures.
Repeat.

Infinite draw triggers for all players

Infinite looting for all players

Infinite self-discard triggers for all players

Near-infinite creature tokens

Near-infinite creature ETB

Near-infinite untap of all creatures

Xyris, the Writhing Storm

Intruder Alarm

Lore Broker

Activate Lore Broker by tapping it, causing each player to loot.
The Locust God triggers, creating a 1/1 Insect creature token with flying and haste.
The Insect enters the battlefield, triggering Intruder Alarm, untapping all creatures.
Repeat.

Infinite draw triggers

Infinite draw triggers for each opponent

Infinite looting

Infinite looting for opponents

Infinite self-discard triggers

Infinite self-discard triggers for opponents

Near-infinite creature tokens with haste

The Locust God

Activate Lore Broker by tapping it, causing each player to loot.
Orcish Bowmasters triggers for each card opponents draw this way.
Resolve the first trigger, dealing 1 damage to any target, then creating a 0/0 Orc Army creature token and putting a +1/+1 counter on it.
When the Orc Army enters the battlefield, Intruder Alarm triggers, untapping all creatures.
Activate Phyrexian Altar by sacrificing the Orc Army, adding one mana of any color.
Repeat from step 3 for each remaining trigger.
Repeat from step 1.

Near-infinite colored mana

Near-infinite damage

Near-infinite death triggers

Near-infinite creature LTB

Near-infinite creature sacrifice triggers

Orcish Bowmasters

Phyrexian Altar

Activate Lore Broker by tapping it, causing each player to loot.
Orcish Bowmasters triggers for each card opponents draw this way.
Resolve the first trigger, dealing 1 damage to any target, then creating a 0/0 Orc Army creature token and putting a +1/+1 counter on it.
When the Orc Army enters the battlefield, Intruder Alarm triggers, untapping all creatures.
Activate Ashnod's Altar by sacrificing the Orc Army, adding {C}{C}.
Repeat from step 3 for each remaining trigger.
Repeat from step 1.

Near-infinite colorless mana

Ashnod's Altar

Combos with "Lore Broker"