Q
What does Preparing for opening
's "★+1 for each darkness card in the abyss" mean?
A
On top of the SEND TO POWER built up in your power charger, you can count one more power for each darkness card in the abyss.
Example: with 3 darkness cards in the abyss, ★4 in your power charger and Preparing for opening
set, you can use cards with a power cost of up to ★7.