Chronozoa, Mana Echoes, and The Tenth Doctor

Prerequisites

• Chronozoa on the battlefield
• Mana Echoes on the battlefield
• The Tenth Doctor on the battlefield
• Chronozoa has at least one time counter on it
• , plus an additional available if you control exactly one additional Illusion, or an additional available if you do not control another Illusion available

Steps

1. Activate The Tenth Doctor by paying , causing you to time travel three times, removing all time counters from each Chronozoa you control
2. Each Chronozoa triggers
3. Resolve the first trigger, causing you to sacrifice the triggered Chronozoa
4. When Chronozoa dies, it triggers, creating two token copies of itself that each enter with three time counters
5. When the Chronozoa tokens enter the battlefield, they trigger, adding for each Illusion you control
6. Repeat from step 3 for each remaining trigger, if applicable
7. Repeat from step 1

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers