Dissolving Shield (Red)

"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 3 steam counters. At the start of your turn, destroy this unless you remove a steam counter from it.

Instant — Remove a steam counter from this: Prevent the next 1 damage that would be dealt to you this turn. If this has no steam counters, destroy it."