Henry Wu, InGen Geneticist | Chatterfang, Squirrel General | Nadir Kraken

(and two other cards)

Henry Wu and
Artificial Evolution in hand.
All other permanents on the battlefield.
You control a non-Squirrel creature that has power 3 or greater.
"Tentacle" chosen with
Obelisk of Urd.
({B} magic symbol) ({G} magic symbol) ({U} magic symbol) ({U} magic symbol) available.

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 creature token and a Treasure artifact token.
The Squirrel's exploit ability and
Nadir Kraken trigger.
Activate the Treasure by tapping and sacrificing it, adding ({1} magic symbol) .
Resolve the
Nadir Kraken trigger, causing you to pay ({1} magic symbol) to put a +1/+1 counter on it and create a 1/1 Tentacle creature token.
Resolve the Squirrel trigger from step 6, causing you to sacrifice the Tentacle.
Repeat from step 5.