Prerequisites
- Halo Fountain on the battlefield
- Vedalken Engineer on the battlefield
- Karn, the Great Creator on the battlefield
- Vedalken Engineer and Halo Fountain do not have summoning sickness
Steps
- Activate Karn's first loyalty ability by putting a loyalty counter on it, causing Halo Fountain to become an artifact creature until end of turn
- Activate Vedalken Engineer by tapping it, adding that can only be spent to cast artifact spells or activate abilities of artifacts
- Activate Halo Fountain's second ability by paying , tapping it and untapping Halo Fountain and Vedalken Engineer, causing you to draw a card
- Repeat from step 2
Results
Required Cards 3
Vedalken Engineer
Creature — Vedalken Artificer
Karn, the Great Creator
Legendary Planeswalker — Karn