Perilous Forays, Scute Swarm, and Archelos, Lagoon Mystic

Prerequisites

• Perilous Forays on the battlefield
• Scute Swarm on the battlefield
• Archelos, Lagoon Mystic on the battlefield
• You control at least one additional creature
• available

Steps

1. Activate Perilous Forays by paying and sacrificing a creature you control, searching your library for a land card with a basic land type and putting it on the battlefield untapped due to Archelos
2. When the land enters the battlefield, each Scute Swarm you control triggers, creating that many creature token(s)
3. Activate the land by tapping it, adding
4. Repeat

Results

• Near-infinite ETB
• Put all lands with a basic land type from your library onto the battlefield tapped
• Near-infinite creature tokens