Cast Hurkyl's Recall by paying {1}{U}, causing an opponent to return all permanents they own to their hand.

Return all permanents target opponent owns to their hand

Mycosynth Lattice

Hurkyl's Recall

Cast a copy of Ancestral Recall by paying {U}.
Displacer Kitten and Storm-Kiln Artist trigger.
Resolve the Displacer Kitten trigger, blinking Emeritus of Ideation. It'll enter prepared due to its effect.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve Ancestral Recall, causing a player to draw three cards.
Activate the Treasure by tapping and sacrificing it, adding {U}.
Repeat.

Infinite card draw

Infinite draw triggers

Infinite ETB

Infinite LTB

Infinite magecraft triggers

Infinite storm count

Displacer Kitten

Storm-Kiln Artist

Emeritus of Ideation // Ancestral Recall

Activate a permanent by tapping it, adding {U}.
Cast a copy of Ancestral Recall by paying {U}.
Displacer Kitten triggers, blinking Emeritus of Ideation. It'll enter prepared due to its effect.
Resolve Ancestral Recall, causing you to draw three cards.
Activate Mind Over Matter by discarding a card, untapping the mana-producing permanent.
Repeat.

Infinite self-discard triggers

Near-infinite ETB

Near-infinite LTB

Near-infinite card draw for any number of players

Near-infinite draw triggers for any number of players

Near-infinite looting

Near-infinite magecraft triggers

Near-infinite mana permanents you control can produce

Near-infinite storm count

Near-infinite untap of permanents you control

Mind Over Matter

Cast a copy of the prepared spell by paying its mana cost.
When you cast that spell, Displacer Kitten and Dovescape trigger.
Resolve the Dovescape trigger, countering the prepared spell and creating a number of 1/1 flying Bird creature tokens equal to its mana value.
Resolve the Displacer Kitten trigger, blinking Emeritus of Ideation // Ancestral Recall, which enters prepared.
Activate Phyrexian Altar by sacrificing a Bird token, adding one mana of any color.
Repeat.

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