Requires

Yenna, Redtooth Regent must be on the battlefield. Peregrin Took must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. Phantatog must be on the battlefield. Mana needed:

Steps

1. Activate Yenna by paying and tapping it, creating a token copy of an Aura you control and a Food artifact token, then untapping Yenna and causing you to scry 2.
2. Activate Krark-Clan Ironworks by sacrificing the Food, adding .
3. Activate Phantatog's first ability by sacrificing the Aura token, giving Phantatog +1/+1 until end of turn.
4. Repeat.

Results