+2: untap all creatures you control. those creatures get +1/+1 until end of turn.
0: until end of turn, gideon, martial paragon becomes a 5/5 human soldier creature with indestructible that's still a planeswalker. prevent all damage that would be dealt to him this turn.
−10: creatures you control get +2/+2 until end of turn. tap all creatures your opponents control.