Gift of the Martyr + Piranha or Gandora, just remember that Gift of the Martyr uses the original ATK, not the current, which means 0 in the case of Labyrinth Wall...
You can end up with bad hands, like any deck farm. Used it during crowler event and got all cards So it does work, But a bit inconsistent with starting hands.
A.D.
Anoymous
