Color Identity: W

Initial Card State
- All permanents on the battlefield (Halo Fountain and Khalni Gem without summoning sickness).
Mana Needed
- ({2} magic symbol)
available.
Steps
- Activate Karn twice by paying ({2} magic symbol)
, causing Halo Fountain and Khalni Gem to become a creature. - Activate Khalni Gem by tapping it, adding ({W} magic symbol)
({W} magic symbol)
. - Activate Halo Fountain's second ability by paying ({W} magic symbol)
({W} magic symbol)
, tapping it, and then untapping it and Khalni Gem, causing you to draw a card. - Repeat from step 2.
Results
- Infinite card draw.
- Infinite draw triggers.
- Near-infinite creature tokens.
- Near-infinite untap of creatures you control.
- Near-infinite mana creatures you control can produce.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).