| Color= Blue | Type= Enchantment | Cost= 2U | FE(U3) |
| Text (FE+errata): Cast ~this~ only if no permanents named Tidal Influence are on the battlefield. ; ~this~ enters the battlefield with a tide counter on it. ; At the beginning of your upkeep, put a tide counter on ~this~. ; As long as there is exactly one tide counter on ~this~, all blue creatures get -2/-0. ; As long as there are exactly three tide counters on ~this~, all blue creatures get +2/+0. ; Whenever there are four tide counters on ~this~, remove all tide counters from it. [Oracle 2009/07/08] |