Retreat to Coralhelm + Llanowar Scout + Guildless Commons

Prerequisites

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Steps

1. 1Activate Llanowar Scout by tapping it, putting Guildless Commons from your hand onto the battlefield.
2. 2When Guildless Commons enters the battlefield, it and Retreat to Coralhelm trigger.
3. 3Resolve the Guildless Commons trigger, returning itself from the battlefield to your hand.
4. 4Resolve the Retreat to Coralhelm trigger, untapping Llanowar Scout.
5. 5Repeat.

Effects

• Infinite landfall triggers