High Tide, Kelpie Guide, and Pemmin's Aura

Prerequisites

• High Tide in hand
• Kelpie Guide on the battlefield
• Pemmin's Aura on the battlefield
• You control an Island
• Pemmin's Aura attached to Kelpie Guide
• Pemmin's Aura attached to Kelpie Guide
• Kelpie Guide does not have summoning sickness
• You control a permanent that can tap to produce at least
• available

Steps

1. Cast High Tide by paying
2. Activate an Island by tapping it, adding
3. High Tide triggers, adding
4. Activate Kelpie Guide by tapping it, untapping the Island
5. Activate Pemmin's Aura by paying , untapping Kelpie Guide
6. Repeat from step 2
7. Activate any mana-producing permanent you control by tapping it, adding at least
8. Activate Kelpie Guide's first ability by tapping it, untapping the mana-producing permanent
9. Activate Pemmin's Aura's first ability by paying , untapping Kelpie Guide
10. Repeat

Results

• Infinite blue mana
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control