Requires

Oketra's Monument must be on the battlefield. Tangleroot must be on the battlefield. Whitemane Lion must be in hand. False Dawn must be in hand. Mana needed:

Steps

1. Cast False Dawn by paying , drawing you a card.
2. Cast Whitemane Lion by paying .
3. Oketra's Monument and Tangleroot triggers.
4. Resolve the Oketra's Monument trigger, creating a 1/1 Warrior token.
5. Resolve the Tangleroot trigger, adding .
6. Whitemane Lion enters the battlefield, returning it to your hand.
7. Repeat.

Results