Untap all creatures you control. Those creatures get +1/+1 until end of turn.
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Until end of turn, Gideon, Martial Paragon becomes a 5/5 Human Soldier creature with indestructible (Effects that say "destroy" don't destroy that permanent. An indestructible creature can't be destroyed by damage.) 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.
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