Mini Forcefield (Yellow) (EVO094) (EVO)

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with 4 steam counters. At the start of your turn, destroy this unless you remove a steam counter from it.
Ward X, where X is the number of steam counters on this. (If your hero would be dealt damage, destroy this to prevent X of that damage.)