The Tenth Doctor + Mana Echoes + Inspiring Refrain + Metallurgic Summonings

Prerequisites

• You control at least six creatures that share a creature type with the tokens generated by Metallurgic Summonings

Steps

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

Effects

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