Henry Wu, InGen Geneticist, Chatterfang, Squirrel General, Jinnie Fay, Jetmir's Second, and Artificial Evolution

Prerequisites

• Henry Wu, InGen Geneticist in hand
• Chatterfang, Squirrel General on the battlefield
• Jinnie Fay, Jetmir's Second on the battlefield
• Artificial Evolution in hand
• You control another non-Squirrel creature that has power 3 or greater
• available

Steps

1. Cast Henry Wu by paying
2. When Henry Wu enters the battlefield, its exploit ability triggers
3. Holding priority, cast Artificial Evolution by paying , changing all instances of "Human" on Henry Wu to "Squirrel"
4. Resolve the Henry Wu trigger, causing you to sacrifice another non-Squirrel creature with power 3 or greater
5. Henry Wu's second ability triggers, causing you to draw a card and create a 1/1 Squirrel and a 3/1 Dog creature token due to Jinnie Fay and Chatterfang
6. When the Squirrel enters the battlefield, its exploit ability triggers, causing you to sacrifice the Dog token
7. Repeat from step 5

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite creature tokens
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers