Color Identity: U

Initial Card State
- Retraction Helix in hand.
- Steelfin Whale and Mana Vault on the battlefield.
Notable Prerequisites
- Steelfin Whale does not have summoning sickness.
Mana Needed
- ({U} magic symbol)
available.
Steps
- Cast Retraction Helix by paying ({U} magic symbol)
, targeting Steelfin Whale. - Activate Mana Vault by tapping it, adding ({C} magic symbol)
({C} magic symbol)
({C} magic symbol)
. - Activate Steelfin Whale by tapping it, returning Mana Vault from the battlefield to your hand.
- Cast Mana Vault by paying ({0} magic symbol)
. - When Mana Vault enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
- Repeat from step 2.
Results
- Infinite colorless mana.
- Infinite storm count.
Bracket Tag
This combo has been estimated to be Powerful (Bracket 3+).