Peni Parker
On Reveal: Add SP//dr to your hand.
When this merges, you get
+1 Energy next turn.
Rocket and Groot
Moveable once.
After your opponent plays a card here, steal 1 Power from it.
Sabretooth
When Destroyed: Return this to your hand. It costs 0.
X-23
When Discarded or Destroyed: Regenerate this at a random location and you get +1 Energy next turn.