[210] [212] Shogakukan kept this condition until 2021
Be Honest About Condition: Damaged cards will sell for less, but being honest will help you avoid hassles later
Everyone is going to know what you want to do
Lest there be a potential problem of running out of copies of the Courier before we running out of blue mana at any point, note that it's possible to bring back the Courier using Bloodbond March, and use a single instance of the ability to target the nontoken Courier itself, ensure that blue mana is the only bottleneck in this step, just as colorless mana is for the Allay step
Sanguine Morass is the side that always wants that untap step, and good flexibility comes from the optional land side
Additionally, Ajani's -2 offers an identical effect to Lightning Helix, dealing three damage to any target, while gaining you three life, serving as flexible removal