Displacer Kitten + Molten-Core Maestro + Storm-Kiln Artist + Infirmary Healer // Stream of Life

Displacer Kitten

Molten-Core Maestro

Storm-Kiln Artist

Infirmary Healer // Stream of Life

How it works

1. Cast the copy of Stream of Life from exile for X=4 by paying 4.
2. When you cast that spell, Molten-Core Maestro, Storm-Kiln Artist, and Displacer Kitten trigger.
3. Resolve the Displacer Kitten trigger, blinking Infirmary Healer, which enters prepared.
4. Resolve the Molten-Core Maestro trigger, putting a +1/+1 counter on it and adding an amount of equal to its power.
5. Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
6. Activate the Treasure token by tapping and sacrificing it, adding the one non-red mana you need to cast the spell from step 1.
7. Resolve the spell from step 1.
8. Repeat.
9. Cast a copy of the prepared spell from exile by paying one mana, unpreparing Infirmary Healer // Stream of Life.
10. When you cast this, Displacer Kitten and Storm-Kiln Artist triggers.
11. Resolve the Displacer Kitten ability, flickering Infirmary Healer // Stream of Life, which enters prepared.
12. Resolve the remaining trigger, creating a Treasure token.
13. Resolve the spell from step 1.
14. Activate the Treasure token by tapping and sacrificing it, adding one mana.
15. Repeat.