Tidal Influence

Oracle Text

Cast this spell only if no permanents named Tidal Influence are on the battlefield.

Tidal Influence enters the battlefield with a tide counter on it.

At the beginning of your upkeep, put a tide counter on Tidal Influence.

As long as there is exactly one tide counter on Tidal Influence, all blue creatures get -2/-0.

As long as there are exactly three tide counters on Tidal Influence, all blue creatures get +2/+0.

Whenever there are four or more tide counters on Tidal Influence, remove all tide counters from it.

Card Rulings

10/4/2004 As soon as the number of counters on this card changes, so does the power of blue creatures.