Prerequisites
- Rukarumel, Biologist on the battlefield
- Lurking Roper on the battlefield
- Cryptolith Rite on the battlefield
- Judge of Currents on the battlefield
Steps
- Activate Lurking Roper by tapping it, adding one mana of any color
- Judge of Currents triggers, causing you to gain 1 life
- Lurking Roper triggers, untapping itself
- Repeat
Results
Required Cards 4

Rukarumel, Biologist
Legendary Creature — Human Wizard

Lurking Roper
Creature — Horror

Cryptolith Rite
Enchantment

Judge of Currents
Creature — Merfolk Wizard