Whenever you play a card with an effect that deals arcane damage, you may pay [1 Resource]. If you do, that effect deals that much arcane damage plus 1 and at the beginning of the end phase, destroy Metamarpus Node.
Arcane Barrier 1�(If your hero would be dealt arcane damage, you may pay [1 Resource]�instead. If you do, prevent 1�arcane damage that source would deal.)