Yseult's Entangle:

Name: Yseult's Entangle
Complexity: Easy
Cast Time: War
Initial Cost: 2
Upkeep Cost:
Usable By: Either
Hidden: False
Effect:
If successful, a unit of your choice has their speed reduced by 3, to a minimum of 0. Additionally, they suffer a -1 to Defense. This lasts until the end of the affected unit's turn. This does not stack and cannot happen again to a unit who has already been affected by Entangle during that same war session.
Creator: Unknown