The Tenth Doctor, Mana Echoes, Inspiring Refrain, and Shark Typhoon

Prerequisites

• The Tenth Doctor on the battlefield
• Mana Echoes on the battlefield
• Inspiring Refrain in exile
• Shark Typhoon on the battlefield
• available

Steps

1. Activate The Tenth Doctor by paying , removing all time counters from Inspiring Refrain
2. Inspiring Refrain triggers, causing you to cast it from exile without paying its mana cost
3. Shark Typhoon triggers, creating a creature token
4. When the creature token enters, Mana Echoes triggers, adding for each creature you control that shares a creature type with the token
5. Resolve Inspiring Refrain
6. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite ETB
• Near-infinite colorless mana
• Near-infinite creature tokens
• Near-infinite magecraft triggers