Yenna, Redtooth Regent, Ordeal of Nylea, Tiller Engine, and Auratog

Prerequisites

• Yenna, Redtooth Regent on the battlefield
• Ordeal of Nylea on the battlefield
• Tiller Engine on the battlefield
• Auratog on the battlefield
• Yenna does not have summoning sickness
• available

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

• Put all basic lands from your library onto the battlefield