Lathliss, Dragon Queen + Cloudstone Curio + Xenograft + Crimson Kobolds

Lathliss, Dragon Queen

Cloudstone Curio

Xenograft

Crimson Kobolds

How it works

1. Cast Crimson Kobolds by paying 0.
2. When Crimson Kobolds enters the battlefield, Lathliss and Cloudstone Curio triggers.
3. Resolve the Cloudstone Curio trigger, returning nothing to your hand.
4. Resolve the Lathliss trigger, creating a 5/5 Dragon creature token.
5. When the Dragon enters the battlefield, Cloudstone Curio triggers, returning Crimson Kobolds from the battlefield to your hand.
6. Repeat.