Trench of Watery Depths
$1
When this defends, you may pitch a blue card from your graveyard. (You gain {r}{r}{r}.)
Blade Break (When the combat chain closes, if this defended, destroy it.)
When this defends, you may pitch a blue card from your graveyard. (You gain {r}{r}{r}.)
Blade Break (When the combat chain closes, if this defended, destroy it.)