Zhongli, Keeper of Contracts

Creatures you control with a shield counter get
+1/+1 and menace.

When Zhongli enters create Dominus Lapidis, a legendary artifact with "Whenever an opponent attacks you or a planeswalker you control, attacking creatures get -1/-1 until of turn."

{2}{b}{r}{t}: Put a shield counter on target creature you control.