Combat Wheel from AC23

The final unprinted synchro from 5Ds

AC03-JP007 Combat Wheel
EARTH Machine / Synchro / Effect
LV6 2500/1200
1 Tuner + 1+ non-Tuner monsters
(1)The first time this card would be destroyed by an opponent’s card effect each turn, it is not destroyed.
(2) Once per opponent’s Battle Phase (Quick Effect): You can discard 1 card; this card gains ATK equal to half the total ATK of all other face-up monsters you currently control, then place 1 counter on this card, also your opponent’s monsters cannot target monsters for attacks this turn, except this one.
(3) If this card with a counter is destroyed by battle: Destroy all monsters you control.

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