Hold Life Hostage

Flash.
Prevent all combat damage that would be dealt to
target player this turn, place shield counters on
Hold Life Hostage equal to the total damage
prevented in this way.
At the start of the next end step, exile Hold Life
Hostage with at least one shield counter on it.
When Hold Life Hostage is exiled, you may
choose to pay {2}{u}{u}. If you do, you gain
life equal to twice the number of shield counters
on Hold Life Hostage.