Yasakani Sacred Jewel (OP02-118) [Paramount War]

[Counter] <strong>You may trash 1 card from your hand</strong>: Select up to 1 of your Characters. The selected Character cannot be K.O.'d during this battle.
<br>
[Trigger] K.O. up to 1 of your opponent's Stages with a cost of 3 or less.