Cast Henry Wu by paying ({B} magic symbol) ({G} magic symbol) ({U} magic symbol) .
When Henry Wu enters the battlefield, its exploit ability triggers.
Holding priority, cast Artificial Evolution by paying ({U} magic symbol) , changing all instances of "Human" on Henry Wu to "Squirrel".
Resolve the Henry Wu trigger, causing you to sacrifice another non-Squirrel creature with power 3 or greater.
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.
When the Squirrel enters the battlefield, its exploit ability triggers, causing you to sacrifice the Dog token.