Infinite ETB, Infinite colorless mana, Infinite creature tokens, Infinite damage, Infinite magecraft triggers
Activate The Tenth Doctor by paying , removing all time counters from Arc Blade.
Arc Blade triggers, causing you to cast it from exile without paying its mana cost.
Young Pyromancer triggers, creating a creature token.
When the creature token enters, Mana Echoes triggers, adding for each creature you control that shares a creature type with the token.
Resolve Arc Blade.
Repeat.
Component Cards
How It Works
Activate The Tenth Doctor by paying , removing all time counters from Arc Blade.
Arc Blade triggers, causing you to cast it from exile without paying its mana cost.
Young Pyromancer triggers, creating a creature token.
When the creature token enters, Mana Echoes triggers, adding for each creature you control that shares a creature type with the token.
Resolve Arc Blade.
Repeat.