The Tenth Doctor, Mana Echoes, Charnel Serenade, and Shark Typhoon

Prerequisites

• The Tenth Doctor on the battlefield
• Mana Echoes on the battlefield
• Charnel Serenade in exile
• Shark Typhoon on the battlefield
• available

Steps

1. Activate The Tenth Doctor by paying , removing all time counters from Charnel Serenade
2. Charnel Serenade 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 Charnel Serenade
6. Repeat

Results

• Infinite ETB
• Infinite colorless mana
• Infinite creature tokens
• Infinite magecraft triggers
• Infinite surveil
• Put all creature cards from your library and graveyard onto the battlefield with finality counters on them