Prerequisites
- Horseshoe Crab in your graveyard
- Necrotic Ooze on the battlefield
- Zaxara, the Exemplary in your graveyard
- Necrotic Ooze does not have summoning sickness
Steps
- Activate Necrotic Ooze using Zaxara's ability by tapping it, adding
- Activate Necrotic Ooze using Horseshoe Crab's ability by paying , untapping Necrotic Ooze
- Repeat
Results
Required Cards 3
Horseshoe Crab
Creature — Crab
Necrotic Ooze
Creature — Ooze
Zaxara, the Exemplary
Legendary Creature — Nightmare Hydra