Steel Soldier Gale Vainari

[ Machine / Effect ] [REQUIREMENT]None [EFFECT] Toss a coin. If the result is heads, all face-up monsters on your field gain 500 ATK until the end of this turn. If the result is tails, you can make 1 face-up monster on your opponent's field lose 800 ATK/DEF until the end of this turn. ATK/ 1200 DEF/ 1000