Lathliss, Dragon Queen + Cloudstone Curio + Arcane Adaptation + Crookshank Kobolds

Lathliss, Dragon Queen

Cloudstone Curio

Arcane Adaptation

Crookshank Kobolds

How it works

1. Cast Crookshank Kobolds by paying 0.
2. When Crookshank 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 Crookshank Kobolds from the battlefield to your hand.
6. Repeat.