Tasha, the Witch Queen + Displacer Kitten + The Chain Veil Combo

All permanents on the battlefield.

Tasha has at least three loyalty counters on it. An opponent has an instant and/or sorcery in their graveyard.

available

Activate The Chain Veil by paying and tapping it, allowing an additional activation of each of your planeswalkers' loyalty abilities this turn.

Activate Tasha's first loyalty ability by putting a loyalty counter on it, causing you to draw a card and exile an instant and/or sorcery card from an opponent's graveyard with a page counter on it.

Activate Tasha's second loyalty ability by removing three loyalty counters from it, casting an instant or sorcery spell with a page counter on it from exile.

Displacer Kitten and Tasha trigger.

Resolve the Tasha trigger, creating a 3/3 Demon creature token.

Resolve the Displacer Kitten trigger, blinking Tasha.

Resolve the instant or sorcery spell.

Repeat from step 2.

Note that you must abide by targeting restrictions when casting the instant or sorcery spell, and so not all instants and/or sorceries in your opponent' graveyards may work for this combo.

Infinite card draw

Infinite draw triggers

Significant casts of instants and sorceries in your opponents' graveyards

Significant creature tokens

Significant creature ETB

Significant magecraft triggers

Significant storm count