Origin of Captain America - Commander: Marvel Super Heroes

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

[I] — Put a +1/+1 counter on target creature you control. It gains first strike and vigilance until end of turn.

[II] — Create a colorless Equipment artifact token named Sturdy Shield with "Equipped creature gets +1/+2" and equip 2.

[III] — Tap up to one target creature and put a stun counter on it.