Fertilid, Amulet of Vigor, Retreat to Kazandu, and Keeper of Progenitus

Prerequisites

• Fertilid on the battlefield
• Amulet of Vigor on the battlefield
• Retreat to Kazandu on the battlefield
• Keeper of Progenitus on the battlefield
• Fertilid has at least two +1/+1 counters on it
• available

Steps

1. Activate Fertilid, searching your library for a basic Forest card, putting it onto the battlefield tapped
2. Amulet of Vigor triggers, untapping the land
3. Retreat to Kazandu triggers, putting a +1/+1 counter Fertilid
4. Tap the land for
5. Repeat

Results

• Near-infinite landfall triggers
• Put all basic Forests from your library onto the battlefield