Oboro Breezecaller, Walking Atlas, High Tide, and Pemmin's Aura

Prerequisites

• Oboro Breezecaller on the battlefield
• Walking Atlas on the battlefield
• High Tide in hand
• Pemmin's Aura on the battlefield
• Walking Atlas does not have summoning sickness
• Pemmin's Aura attached to Walking Atlas
• You control at least two Islands that enters the battlefield untapped
• available

Steps

1. Cast High Tide by paying
2. Activate two Islands by tapping them, adding
3. Activate Oboro Breezecaller by paying and returning a tapped Island to your hand, untapping another Island
4. Activate Walking Atlas by tapping it, putting an Island from your hand onto the battlefield
5. Activate Pemmin's Aura's first ability by paying , untapping Walking Atlas
6. Repeat from step 2

Results

• Infinite blue mana
• Infinite landfall triggers