K'rrik, Son of Yawgmoth + Ayara, First of Locthwain + Cloudstone Curio + Aetherflux Reservoir

K'rrik, Son of Yawgmoth

Ayara, First of Locthwain

Cloudstone Curio

Aetherflux Reservoir

How it works

1. Cast any creature card in your hand with mana cost by paying 2 life.
2. Aetherflux Reservoir and K'rrik trigger.
3. Resolve the Aetherflux Reservoir trigger, causing you to gain 1 life for each spell you've cast this turn.
4. Resolve the K'rrik trigger, putting a +1/+1 counter on it.
5. The creature enters the battlefield, triggering Ayara and Cloudstone Curio.
6. Resolve the Ayara trigger, causing each opponent to lose 1 life and you to gain 1 life.
7. Resolve the Cloudstone Curio trigger, returning Ayara from the battlefield to your hand.
8. Cast Ayara by paying 6 life.
9. Aetherflux Reservoir and K'rrik trigger.
10. Resolve the Aetherflux Reservoir trigger, causing you to gain 1 life for each spell you've cast this turn.
11. Resolve the K'rrik trigger, putting a +1/+1 counter on it.
12. Ayara enters the battlefield, triggering itself and Cloudstone Curio.
13. Resolve the Ayara trigger, causing each opponent to lose 1 life and you to gain 1 life.
14. Resolve the Cloudstone Curio trigger, returning the creature with mana cost from the battlefield to your hand.
15. Repeat.
16. Once you have an arbitrarily large lifetotal, you may activate Aetherflux Reservoir's ability infinite times to deal infinite damage to any target(s).