The Tenth Doctor + Mana Echoes + Reality Strobe + Young Pyromancer

Prerequisites

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

Steps

1. 1Activate The Tenth Doctor by paying , removing all time counters from Reality Strobe.
2. 2Reality Strobe triggers, causing you to cast it from exile without paying its mana cost.
3. 3Young Pyromancer 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 Reality Strobe.
6. 6Repeat.

Effects

• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB
• Infinite magecraft triggers
• Mass Land Denial
• Return any number of permanents to their owner's hand