Bloodflow Connoisseur + Animation Module + Mana Echoes

Bloodflow Connoisseur

Animation Module

Mana Echoes

How it works

1. Activate Bloodflow Connoisseur by sacrificing another creature, putting a +1/+1 counter on it.
2. Animation Module triggers, causing you to pay 1 to create a 1/1 Servo artifact creature token.
3. When the Servo enters the battlefield, Mana Echoes triggers, adding C for each Servo on the battlefield.
4. Repeat.
5. If there is at least one other Servo on the battlefield to start the combo and/or you have an additional 1 available, this combo nets infinite colorless mana.

This clever loop transforms simple creature sacrifice into an engine of endless growth and resources, legal in commander, legacy, oathbreaker, and vintage. By feeding a sacrifice into Bloodflow Connoisseur, you pump its stats and trigger Animation Module's first ability to generate a Servo artifact creature token for a single mana. Because those Servos all share the Construct creature type, every new arrival supercharges Mana Echoes to yield a massive burst of colorless mana. You can then use that generated mana to continuously pay Animation Module's trigger fee, scaling the Connoisseur infinitely while fueling an endless storm of artifact and creature tokens.