Requires

Yenna, Redtooth Regent must be on the battlefield. Ordeal of Nylea must be on the battlefield. Tiller Engine must be on the battlefield. Auratog must be on the battlefield. Yenna does not have summoning sickness. Mana needed:

Steps

1. Activate Yenna by paying and tapping it, creating a token copy of Ordeal of Nylea, then untapping Yenna and causing you to scry 2.
2. Activate Auratog by sacrificing the Ordeal of Nylea token.
3. The Ordeal of Nylea token's second ability triggers, causing you to search your library for two basic land cards and put them onto the battlefield tapped.
4. When the lands enter the battlefield, Tiller Engine triggers twice, untapping them.
5. Resolve the Auratog ability from step 2, giving it +2/+2 until end of turn.
6. Activate the two lands by tapping them, adding .
7. Repeat.

Results