Ygra, Eater of All + Cauldron Familiar + Blasting Station + Insidious Roots Combo

Cauldron Familiar in your graveyard.

All other permanents on the battlefield.

You control another Food.

Activate Cauldron Familiar by sacrificing a Food.

Ygra triggers, putting two +1/+1 counters on it.

Resolve the Cauldron Familiar ability, returning it from your graveyard to the battlefield.

Cauldron Familiar, Blasting Station and Insidious Roots trigger.

Resolve the Blasting Station trigger, untapping it.

Resolve the Insidious Roots trigger, creating a 0/1 Plant creature token and putting a +1/+1 counter on each Plant you control.

When the Plant enters the battlefield, Blasting Station triggers, untapping Blasting Station.

Resolve the Cauldron Familiar trigger, causing each opponent to lose 1 life and you to gain 1 life.

Activate Blasting Station by tapping it and sacrificing Cauldron Familiar.

When Cauldron Familiar dies, Ygra triggers, putting two +1/+1 counters on it.

Resolve the Blasting Station ability.

Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite creature sacrifice triggers

Infinite damage

Infinite lifegain triggers

Infinite lifegain

Infinite lifeloss

Infinite +1/+1 counters on a creature

Infinite +1/+1 counters on certain creatures