Marvel Super Heroes

Legendary Creature — Human Spy Hero

Double strike
Whenever you cast a spell that targets a creature you control, put a +1/+1 counter on Mockingbird.

Mockingbird, Ace Agent

Marvel Super Heroes Commander

Sorcery

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Promise of Loyalty

Artifact

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Mirage Mirror

Land

This land enters tapped unless you have two or more opponents.
{T}: Add {G} or {U}.