Whenever you play a card with an effect that deals arcane damage, you may pay {r}. If you do, that effect deals that much arcane damage plus 1 and at the beginning of the end phase, destroy Metacarpus Node.
Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay {r} instead. If you do, prevent 1 arcane damage that source would deal.)
Near Mint - $1.20
Near Mint Spanish - $1.20
Lightly Played - $1.00
Lightly Played Spanish - $1.00
Moderately Played - $0.90
Moderately Played Spanish - $0.90
Heavily Played - $0.80
Heavily Played Spanish - $0.80
Damaged - $0.60
Damaged Spanish - $0.60