Improvised Arsenal, Mana Echoes, Displaced Dinosaurs, and Chromatic Orrery

Prerequisites

• Improvised Arsenal on the battlefield
• Mana Echoes on the battlefield
• Displaced Dinosaurs on the battlefield
• Chromatic Orrery on the battlefield
• at most available

Steps

1. Activate Improvised Arsenal by paying , creating a token copy of it
2. It will enter as a 7/7 Dinosaur due to Displaced Dinosaurs
3. When the Improvised Arsenal token enters, Mana Echoes triggers, adding for each Dinosaur you control
4. Repeat

Results

• Infinite ETB
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens