Invasion

Prison Barricade

(Walls can't attack.)
Kicker o1o
W (You may pay an additional o1o
W as you play this spell.)
If you paid the kicker cost, Prison Barricade comes into play with a +1/+1 counter on it and may attack as though it weren't a Wall.

Defender (This creature can't attack.)
Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.)
If Prison Barricade was kicked, it enters with a +1/+1 counter on it and with "Prison Barricade can attack as though it didn't have defender."