ENTRAPMENT
COST: Deplete this card. Pick a character you control. X is its numeric cost.
EFFECT: Put that character into the void. Put X-1 tokens on this card.

RELEASE
COST: Deplete this card. Choose a number for X.
EFFECT: Remove X tokens from this card. If you do, pick a character you own in the void with numeric cost X. Put that character into play under your control.