Apocalypse
When you discard this, put it back with +4 Power.
Captain America
Ongoing: Your other cards here have +1 Power.
Falcon
On Reveal: Return your 1-Cost cards to your hand.
Iceman
On Reveal: Give a card in your opponent's hand +1 Cost.
(maximum 6)
Moon Knight
On Reveal: Discard a card from each player's hand.
Red Hulk
When your opponent ends a turn with unspent Energy, +4 Power.
(if in hand or in play)
X-23
When this is discarded or destroyed, regenerate it at a random location and you get +1 Energy next turn.