Shen Gaoren, Wall Breaker

Defender, Ward {2}

Creatures you control with Defender gain a
Tempered counter when they take damage and can
attack as though they didn't have Defender

When Shen Gaoren has 3 or more Tempered
counters it gains "Creatures you control with
Defender assign combat damage equal to their
toughness and get +0/+X where X is the number of Tempered counters on them."